diff --git a/.pnp.cjs b/.pnp.cjs
index e59bec046..b1605a53e 100755
--- a/.pnp.cjs
+++ b/.pnp.cjs
@@ -3102,9 +3102,9 @@ function $$SETUP_STATE(hydrateRuntimeState, basePath) {
             ["@swc/jest", "virtual:babee6e81435a5d101529cd67f2c6b175f4db37a4ab0b58df15adf73dd11be8917ac14caf44ab4e6882a92c61661055072365b349016e85173e049f006fc2305#npm:0.2.17"],
             ["ajv", "npm:8.9.0"],
             ["jest", "virtual:babee6e81435a5d101529cd67f2c6b175f4db37a4ab0b58df15adf73dd11be8917ac14caf44ab4e6882a92c61661055072365b349016e85173e049f006fc2305#npm:27.5.1"],
-            ["js-yaml", "npm:4.1.0"],
             ["json5", "npm:2.2.0"],
             ["uuid", "npm:8.3.2"],
+            ["yaml", "npm:2.0.0-10"],
             ["yargs", "npm:17.3.1"]
           ],
           "linkType": "SOFT",
@@ -3501,7 +3501,7 @@ function $$SETUP_STATE(hydrateRuntimeState, basePath) {
             ["@swc/core", "npm:1.2.135"],
             ["@swc/jest", "virtual:babee6e81435a5d101529cd67f2c6b175f4db37a4ab0b58df15adf73dd11be8917ac14caf44ab4e6882a92c61661055072365b349016e85173e049f006fc2305#npm:0.2.17"],
             ["jest", "virtual:babee6e81435a5d101529cd67f2c6b175f4db37a4ab0b58df15adf73dd11be8917ac14caf44ab4e6882a92c61661055072365b349016e85173e049f006fc2305#npm:27.5.1"],
-            ["js-yaml", "npm:4.1.0"]
+            ["yaml", "npm:2.0.0-10"]
           ],
           "linkType": "SOFT",
         }]
@@ -11952,9 +11952,9 @@ function $$SETUP_STATE(hydrateRuntimeState, basePath) {
             ["decompress", "npm:4.2.1"],
             ["decompress-targz", "npm:4.1.1"],
             ["jest", "virtual:babee6e81435a5d101529cd67f2c6b175f4db37a4ab0b58df15adf73dd11be8917ac14caf44ab4e6882a92c61661055072365b349016e85173e049f006fc2305#npm:27.5.1"],
-            ["js-yaml", "npm:4.1.0"],
             ["ora", "npm:5.4.1"],
-            ["uuid", "npm:8.3.2"]
+            ["uuid", "npm:8.3.2"],
+            ["yaml", "npm:2.0.0-10"]
           ],
           "linkType": "SOFT",
         }]
@@ -19243,6 +19243,13 @@ function $$SETUP_STATE(hydrateRuntimeState, basePath) {
             ["yaml", "npm:1.10.2"]
           ],
           "linkType": "HARD",
+        }],
+        ["npm:2.0.0-10", {
+          "packageLocation": "./.yarn/cache/yaml-npm-2.0.0-10-334367b768-7a0bac2f80.zip/node_modules/yaml/",
+          "packageDependencies": [
+            ["yaml", "npm:2.0.0-10"]
+          ],
+          "linkType": "HARD",
         }]
       ]],
       ["yaml-loader", [
diff --git a/.yarn/cache/yaml-npm-2.0.0-10-334367b768-7a0bac2f80.zip b/.yarn/cache/yaml-npm-2.0.0-10-334367b768-7a0bac2f80.zip
new file mode 100644
index 000000000..6b5026a3f
Binary files /dev/null and b/.yarn/cache/yaml-npm-2.0.0-10-334367b768-7a0bac2f80.zip differ
diff --git a/packages/build/package.json b/packages/build/package.json
index b48547a2c..3a6b83085 100644
--- a/packages/build/package.json
+++ b/packages/build/package.json
@@ -50,9 +50,9 @@
     "@lowdefy/node-utils": "4.0.0-alpha.6",
     "@lowdefy/nunjucks": "4.0.0-alpha.6",
     "ajv": "8.9.0",
-    "js-yaml": "4.1.0",
     "json5": "2.2.0",
     "uuid": "8.3.2",
+    "yaml": "2.0.0-10",
     "yargs": "17.3.1"
   },
   "devDependencies": {
diff --git a/packages/build/src/build/buildRefs/parseRefContent.js b/packages/build/src/build/buildRefs/parseRefContent.js
index 114371050..e1a2507d4 100644
--- a/packages/build/src/build/buildRefs/parseRefContent.js
+++ b/packages/build/src/build/buildRefs/parseRefContent.js
@@ -17,7 +17,7 @@
 import { type } from '@lowdefy/helpers';
 import { getFileExtension, getFileSubExtension } from '@lowdefy/node-utils';
 import JSON5 from 'json5';
-import YAML from 'js-yaml';
+import YAML from 'yaml';
 
 import parseNunjucks from './parseNunjucks.js';
 
@@ -31,7 +31,7 @@ function parseRefContent({ content, refDef }) {
     }
 
     if (ext === 'yaml' || ext === 'yml') {
-      return YAML.load(content);
+      return YAML.parse(content);
     }
     if (ext === 'json') {
       return JSON5.parse(content);
diff --git a/packages/build/src/index.js b/packages/build/src/index.js
index b823a6d20..8b9747792 100644
--- a/packages/build/src/index.js
+++ b/packages/build/src/index.js
@@ -97,6 +97,7 @@ async function build(options) {
   await buildIcons({ components, context });
   await buildStyles({ components, context });
   await cleanBuildDirectory({ context });
+  await writeActionImports({ components, context });
   await writeApp({ components, context });
   await writeConnections({ components, context });
   await writeRequests({ components, context });
diff --git a/packages/cli/package.json b/packages/cli/package.json
index 361de82cb..733072539 100644
--- a/packages/cli/package.json
+++ b/packages/cli/package.json
@@ -47,9 +47,9 @@
     "commander": "9.0.0",
     "decompress": "4.2.1",
     "decompress-targz": "4.1.1",
-    "js-yaml": "4.1.0",
     "ora": "5.4.1",
-    "uuid": "8.3.2"
+    "uuid": "8.3.2",
+    "yaml": "2.0.0-10"
   },
   "devDependencies": {
     "@jest/globals": "27.5.1",
diff --git a/packages/cli/src/utils/getLowdefyYaml.js b/packages/cli/src/utils/getLowdefyYaml.js
index 60edd3a54..f3cef028a 100644
--- a/packages/cli/src/utils/getLowdefyYaml.js
+++ b/packages/cli/src/utils/getLowdefyYaml.js
@@ -17,7 +17,7 @@
 import path from 'path';
 import { get, type } from '@lowdefy/helpers';
 import { readFile } from '@lowdefy/node-utils';
-import YAML from 'js-yaml';
+import YAML from 'yaml';
 
 async function getLowdefyYaml({ configDirectory, command }) {
   let lowdefyYaml = await readFile(path.resolve(configDirectory, 'lowdefy.yaml'));
@@ -34,7 +34,7 @@ async function getLowdefyYaml({ configDirectory, command }) {
   }
   let lowdefy;
   try {
-    lowdefy = YAML.load(lowdefyYaml);
+    lowdefy = YAML.parse(lowdefyYaml);
   } catch (error) {
     throw new Error(`Could not parse "lowdefy.yaml" file. Received error ${error.message}.`);
   }
diff --git a/packages/docs/actions/JsAction.yaml b/packages/docs/actions/JsAction.yaml
index a91b08592..d4c43ee9f 100644
--- a/packages/docs/actions/JsAction.yaml
+++ b/packages/docs/actions/JsAction.yaml
@@ -94,7 +94,7 @@ _ref:
           events:
             onInitAsync:
               - id: set_intercom_user
-                type: JsAction
+                type: JsAction # TODO:
                 params:
                   name: setIntercomUser
           blocks:
@@ -203,7 +203,7 @@ _ref:
                     type: Request
                     params: search_products
                   - id: apply_highlight # apply the highlight transformation to the request data.
-                    type: JsAction
+                    type: JsAction # TODO:
                     params:
                       name: highlightText
                       args:
@@ -271,7 +271,7 @@ _ref:
       events:
         onClick:
           - id: loop_requests
-            type: JsAction
+            type: JsAction # TODO:
             params:
               name: loopRequests
               args:
diff --git a/packages/docs/concepts/custom-code.yaml b/packages/docs/concepts/custom-code.yaml
index 3a421c3d9..dfd8b64d6 100644
--- a/packages/docs/concepts/custom-code.yaml
+++ b/packages/docs/concepts/custom-code.yaml
@@ -110,7 +110,7 @@ _ref:
                 events:
                   onEnter:
                     - id: get_todos
-                      type: JsAction
+                      type: JsAction # TODO:
                       params:
                         name: fetchTodos # Trigger the custom JavaScript action.
                         args:
diff --git a/packages/docs/howto/generate-csv.yaml.njk b/packages/docs/howto/generate-csv.yaml.njk
index 3bafd09ce..2b3950d40 100644
--- a/packages/docs/howto/generate-csv.yaml.njk
+++ b/packages/docs/howto/generate-csv.yaml.njk
@@ -47,9 +47,9 @@ _ref:
           title: Generate a CSV
           color: '#1890ff'
         events:
-          onClick:
-            - id: generate_csv
-              type: JsAction
+          onClick: []
+            {# - id: generate_csv
+              type: JsAction # TODO:
               params:
                 name: csvMake
                 args:
@@ -77,7 +77,7 @@ _ref:
                   - - Username           # an array of field definitions
                     - Identifier
                     - FirstName
-                    - LastName
+                    - LastName #}
 
       - id: md2
         type: MarkdownWithCode
@@ -211,7 +211,7 @@ _ref:
                         events:
                           onClick:
                             - id: generate_csv
-                              type: JsAction
+                              type: JsAction # TODO:
                               params:
                                 name: csvMake
                                 args:
diff --git a/packages/docs/howto/generate-pdf.yaml.njk b/packages/docs/howto/generate-pdf.yaml.njk
index aa61787cb..0a4ff1f96 100644
--- a/packages/docs/howto/generate-pdf.yaml.njk
+++ b/packages/docs/howto/generate-pdf.yaml.njk
@@ -90,13 +90,13 @@ _ref:
                       qty: 2
                       price: 60.667
                       code: X12-49A
-          onClick:
-            - id: generate_pdf
-              type: JsAction
+          onClick: []
+            {# - id: generate_pdf
+              type: JsAction # TODO:
               params:
                 name: pdfMake
                 args:
-                  _ref: howto/generatePdf/inv_template.yaml
+                  _ref: howto/generatePdf/inv_template.yaml #}
 
       - id: md2
         type: MarkdownWithCode
@@ -256,7 +256,7 @@ _ref:
                     events:
                       onClick:
                         - id: make_pdf
-                          type: JsAction
+                          type: JsAction # TODO:
                           params:
                             name: pdfMake
                             args:
@@ -279,9 +279,9 @@ _ref:
           title: Download PDF
           icon: AiOutlinedDownload
         events:
-          onClick:
-            - id: make_pdf
-              type: JsAction
+          onClick: []
+            {# - id: make_pdf
+              type: JsAction # TODO:
               params:
                 name: pdfMake
                 args:
@@ -291,7 +291,7 @@ _ref:
                       fontSize: 10
                     content:
                       - text: This pdf has been generated with Lowdefy and pdfMake.
-                        bold: true
+                        bold: true #}
       - id: md4
         type: MarkdownWithCode
         properties:
@@ -370,7 +370,7 @@ _ref:
                         events:
                           onClick:
                             - id: make_pdf
-                              type: JsAction
+                              type: JsAction # TODO:
                               params:
                                 name: pdfMake
                                 args:
@@ -635,13 +635,13 @@ _ref:
                       qty: 2
                       price: 60.667
                       code: X12-49A
-          onClick:
-            - id: generate_pdf
-              type: JsAction
+          onClick: []
+            {# - id: generate_pdf
+              type: JsAction # TODO:
               params:
                 name: pdfMake
                 args:
-                  _ref: howto/generatePdf/inv_template.yaml
+                  _ref: howto/generatePdf/inv_template.yaml #}
       - id: md5
         type: MarkdownWithCode
         properties:
diff --git a/packages/docs/howto/generateCsv/lowdefy.yaml b/packages/docs/howto/generateCsv/lowdefy.yaml
index 1941df6d2..3e41236e6 100644
--- a/packages/docs/howto/generateCsv/lowdefy.yaml
+++ b/packages/docs/howto/generateCsv/lowdefy.yaml
@@ -23,36 +23,37 @@ pages:
               color: '#1890ff'
             events:
               onClick:
-                - id: generate_csv
-                  type: JsAction
-                  params:
-                    name: csvMake
-                    args:
-                      - profiles.csv # csv filename
-                      - - Username: booker12 # an array of data, usually a reference
-                          Identifier: 9012
-                          FirstName: Rachel
-                          LastName: Booker
-                        - Username: grey07
-                          Identifier: 2070
-                          FirstName: Laura
-                          LastName: Grey
-                        - Username: johnson81
-                          Identifier: 4081
-                          FirstName: Craig
-                          LastName: Johnson
-                        - Username: jenkins46
-                          Identifier: 9346
-                          FirstName: Mary
-                          LastName: Jenkins
-                        - Username: smith79
-                          Identifier: 5079
-                          FirstName: Jamie
-                          LastName: Smith
-                      - - Username # an array of field definitions
-                        - Identifier
-                        - FirstName
-                        - LastName
+                []
+                # - id: generate_csv
+                #   type: JsAction # TODO:
+                #   params:
+                #     name: csvMake
+                #     args:
+                #       - profiles.csv # csv filename
+                #       - - Username: booker12 # an array of data, usually a reference
+                #           Identifier: 9012
+                #           FirstName: Rachel
+                #           LastName: Booker
+                #         - Username: grey07
+                #           Identifier: 2070
+                #           FirstName: Laura
+                #           LastName: Grey
+                #         - Username: johnson81
+                #           Identifier: 4081
+                #           FirstName: Craig
+                #           LastName: Johnson
+                #         - Username: jenkins46
+                #           Identifier: 9346
+                #           FirstName: Mary
+                #           LastName: Jenkins
+                #         - Username: smith79
+                #           Identifier: 5079
+                #           FirstName: Jamie
+                #           LastName: Smith
+                #       - - Username # an array of field definitions
+                #         - Identifier
+                #         - FirstName
+                #         - LastName
       footer:
         blocks:
           - id: footer
diff --git a/packages/docs/howto/generatePdf/lowdefy.yaml b/packages/docs/howto/generatePdf/lowdefy.yaml
index 497fd99e9..389af6e98 100644
--- a/packages/docs/howto/generatePdf/lowdefy.yaml
+++ b/packages/docs/howto/generatePdf/lowdefy.yaml
@@ -99,13 +99,14 @@ pages:
                           color: '#1890ff'
                         events:
                           onClick:
-                            - id: make_pdf
-                              type: JsAction
-                              params:
-                                name: pdfMake
-                                args:
-                                  _ref:
-                                    path: inv_template.yaml
+                            []
+                            # - id: make_pdf
+                            #   type: JsAction # TODO:
+                            #   params:
+                            #     name: pdfMake
+                            #     args:
+                            #       _ref:
+                            #         path: inv_template.yaml
       footer:
         blocks:
           - id: footer
diff --git a/packages/docs/operators/_actions.yaml b/packages/docs/operators/_actions.yaml
index 33c714dde..5dae7d0ed 100644
--- a/packages/docs/operators/_actions.yaml
+++ b/packages/docs/operators/_actions.yaml
@@ -97,7 +97,7 @@ _ref:
       events:
         onClick:
           - id: get_normalized_eigenvector
-            type: JsAction
+            type: JsAction # TODO:
             params:
               name: getNormalizedEigenvector
               args:
diff --git a/packages/docs/operators/_yaml.yaml b/packages/docs/operators/_yaml.yaml
index a0076d908..3690b003a 100644
--- a/packages/docs/operators/_yaml.yaml
+++ b/packages/docs/operators/_yaml.yaml
@@ -25,22 +25,36 @@ _ref:
       - name: parse
         types: |
           ```
-          (value: string): any
+          ({on: string, options?: object}): object
+          ([on: string, options?: object]): object
           ```
         description: |
           The `_yaml.parse` method parses a YAML string into an object.
         arguments: |
-          ###### string
-          The string to parse.
+          ###### object
+            - `on: string`: String to parse.
+            - `options?: object`: Optional settings. See the [YAML.parse: method here](https://eemeli.org/yaml/#parse-options) for supported settings.
+
         examples: |
           ###### Parse a YAML string:
           ```yaml
-          _yaml.parse: |
-            key: Value
-            boolean: true
-            array:
-              - 1
-              - 2
+          _yaml.parse:
+            on: |
+              key: Value
+              boolean: true
+              array:
+                - 1
+                - 2
+          ```
+          or:
+          ```yaml
+          _yaml.parse:
+            - |
+              key: Value
+              boolean: true
+              array:
+                - 1
+                - 2
           ```
           Returns:
           ```
@@ -61,17 +75,27 @@ _ref:
         arguments: |
           ###### object
             - `on: any`: The object to stringify.
-            - `options: object`: Optional settings. See the [YAML.dump method here](https://www.npmjs.com/package/js-yaml) for supported settings.
+            - `options?: object`: Optional settings. See the [YAML.stringify: method here](https://eemeli.org/yaml/#tostring-options) for supported settings.
 
         examples: |
           ###### Stringify an object as YAML:
           ```yaml
           _yaml.stringify:
-            key: Value
-            boolean: true
-            array:
-              - 1
-              - 2
+            on:
+              key: Value
+              boolean: true
+              array:
+                - 1
+                - 2
+          ```
+          or:
+          ```yaml
+          _yaml.stringify:
+            - key: Value
+              boolean: true
+              array:
+                - 1
+                - 2
           ```
           Returns (as a string):
           ```text
diff --git a/packages/docs/templates/blocks/template.yaml.njk b/packages/docs/templates/blocks/template.yaml.njk
index 58fee46bc..9440c1e18 100644
--- a/packages/docs/templates/blocks/template.yaml.njk
+++ b/packages/docs/templates/blocks/template.yaml.njk
@@ -75,10 +75,10 @@ events:
         _var: init_state_values
 
   onEnterAsync:
-    - id: connect_docsearch
-      type: JsAction
+    {# - id: connect_docsearch
+      type: JsAction # TODO:
       params:
-        name: connectDocsearch
+        name: connectDocsearch #}
     - id: post_telemetry
       type: Request
       messages:
diff --git a/packages/docs/templates/blog.yaml.njk b/packages/docs/templates/blog.yaml.njk
index c8c3a7fbd..5e7fdfb1c 100644
--- a/packages/docs/templates/blog.yaml.njk
+++ b/packages/docs/templates/blog.yaml.njk
@@ -44,10 +44,10 @@ events:
             type: string
             length: 16
   onEnterAsync:
-    - id: connect_docsearch
-      type: JsAction
+    {# - id: connect_docsearch
+      type: JsAction # TODO:
       params:
-        name: connectDocsearch
+        name: connectDocsearch #}
     - id: post_telemetry
       type: Request
       messages:
diff --git a/packages/docs/templates/general.yaml.njk b/packages/docs/templates/general.yaml.njk
index 405aacc45..f20ce0d00 100644
--- a/packages/docs/templates/general.yaml.njk
+++ b/packages/docs/templates/general.yaml.njk
@@ -44,10 +44,10 @@ events:
             type: string
             length: 16
   onEnterAsync:
-    - id: connect_docsearch
-      type: JsAction
+    {# - id: connect_docsearch
+      type: JsAction # TODO:
       params:
-        name: connectDocsearch
+        name: connectDocsearch #}
     - id: post_telemetry
       type: Request
       messages:
@@ -121,4 +121,4 @@ areas:
             layout:
               contentGutter: 16
             blocks:
-              _var: content
\ No newline at end of file
+              _var: content
diff --git a/packages/plugins/operators/operators-yaml/package.json b/packages/plugins/operators/operators-yaml/package.json
index a9b92153e..713449ae2 100644
--- a/packages/plugins/operators/operators-yaml/package.json
+++ b/packages/plugins/operators/operators-yaml/package.json
@@ -45,7 +45,7 @@
   "dependencies": {
     "@lowdefy/helpers": "4.0.0-alpha.6",
     "@lowdefy/operators": "4.0.0-alpha.6",
-    "js-yaml": "4.1.0"
+    "yaml": "2.0.0-10"
   },
   "devDependencies": {
     "@swc/cli": "0.1.55",
diff --git a/packages/plugins/operators/operators-yaml/src/operators/shared/yaml.js b/packages/plugins/operators/operators-yaml/src/operators/shared/yaml.js
index e96e058a7..9b8d2c970 100644
--- a/packages/plugins/operators/operators-yaml/src/operators/shared/yaml.js
+++ b/packages/plugins/operators/operators-yaml/src/operators/shared/yaml.js
@@ -14,28 +14,31 @@
   limitations under the License.
 */
 
-import YAML from 'js-yaml';
-import { serializer } from '@lowdefy/helpers';
+import YAML from 'yaml';
+import { serializer, type } from '@lowdefy/helpers';
 
 import { runClass } from '@lowdefy/operators';
 
-function parse(input) {
+// TODO: consider adding replacer and reviver args supported by yaml package.
+function parse(input, options) {
   if (input === 'undefined') return undefined;
-  const loaded = YAML.load(input);
+  if (!type.isString(input)) {
+    throw new Error('requires a string type to parse.');
+  }
+  const loaded = YAML.parse(input, options);
   return serializer.deserialize(loaded);
 }
 
 function stringify(input, options) {
-  return YAML.dump(serializer.serialize(input, { isoStringDates: true }), {
-    sortKeys: true,
-    ...options,
-  });
+  if (input === undefined) return '';
+  // TODO: option sortKeys: true, sort keys was supported by js-yaml and not by yaml.
+  return YAML.stringify(serializer.serialize(input, { isoStringDates: true }), options);
 }
 
 const functions = { parse, stringify };
 const meta = {
   stringify: { namedArgs: ['on', 'options'], validTypes: ['object', 'array'] },
-  parse: { singleArg: true, validTypes: ['string'] },
+  parse: { namedArgs: ['on', 'options'], validTypes: ['object', 'array'] },
 };
 
 function _yaml({ params, location, methodName }) {
diff --git a/packages/plugins/operators/operators-yaml/src/operators/shared/yaml.test.js b/packages/plugins/operators/operators-yaml/src/operators/shared/yaml.test.js
index dc75fbfc0..c81350484 100644
--- a/packages/plugins/operators/operators-yaml/src/operators/shared/yaml.test.js
+++ b/packages/plugins/operators/operators-yaml/src/operators/shared/yaml.test.js
@@ -17,61 +17,62 @@
 import yaml from './yaml.js';
 
 test('_yaml.parse string unquoted', () => {
-  expect(yaml({ params: 'firstName', location: 'locationId', methodName: 'parse' })).toEqual(
+  expect(yaml({ params: ['firstName'], location: 'locationId', methodName: 'parse' })).toEqual(
     'firstName'
   );
 });
 
 test('_yaml.parse string quoted', () => {
-  expect(yaml({ params: '"firstName"', location: 'locationId', methodName: 'parse' })).toEqual(
+  expect(yaml({ params: ['"firstName"'], location: 'locationId', methodName: 'parse' })).toEqual(
     'firstName'
   );
 });
 
 test('_yaml.parse number', () => {
-  expect(yaml({ params: '1', location: 'locationId', methodName: 'parse' })).toEqual(1);
+  expect(yaml({ params: ['1'], location: 'locationId', methodName: 'parse' })).toEqual(1);
 });
 
 test('_yaml.parse boolean true', () => {
-  expect(yaml({ params: 'true', location: 'locationId', methodName: 'parse' })).toEqual(true);
+  expect(yaml({ params: ['true'], location: 'locationId', methodName: 'parse' })).toEqual(true);
 });
 
 test('_yaml.parse boolean false', () => {
-  expect(yaml({ params: 'false', location: 'locationId', methodName: 'parse' })).toEqual(false);
+  expect(yaml({ params: ['false'], location: 'locationId', methodName: 'parse' })).toEqual(false);
 });
 
 test('_yaml.parse null', () => {
-  expect(yaml({ params: 'null', location: 'locationId', methodName: 'parse' })).toEqual(null);
+  expect(yaml({ params: ['null'], location: 'locationId', methodName: 'parse' })).toEqual(null);
 });
 
 test('_yaml.parse undefined string', () => {
-  expect(yaml({ params: 'undefined', location: 'locationId', methodName: 'parse' })).toEqual(
+  expect(yaml({ params: ['undefined'], location: 'locationId', methodName: 'parse' })).toEqual(
     undefined
   );
 });
 
 test('_yaml.parse object not allowed', () => {
-  expect(() => yaml({ params: { a: 'b' }, location: 'locationId', methodName: 'parse' }))
-    .toThrowErrorMatchingInlineSnapshot(`
-    "Operator Error: _yaml.parse accepts one of the following types: string.
-          Received: {\\"_yaml.parse\\":{\\"a\\":\\"b\\"}} at locationId."
-  `);
+  expect(() =>
+    yaml({ params: [{ a: 'b' }], location: 'locationId', methodName: 'parse' })
+  ).toThrowErrorMatchingInlineSnapshot(
+    `"Operator Error: _yaml.parse - requires a string type to parse. Received: {\\"_yaml.parse\\":[{\\"a\\":\\"b\\"}]} at locationId."`
+  );
 });
 
 test('_yaml.parse date not supported', () => {
-  expect(() => yaml({ params: new Date(0), location: 'locationId', methodName: 'parse' }))
-    .toThrowErrorMatchingInlineSnapshot(`
-    "Operator Error: _yaml.parse accepts one of the following types: string.
-          Received: {\\"_yaml.parse\\":\\"1970-01-01T00:00:00.000Z\\"} at locationId."
-  `);
+  expect(() =>
+    yaml({ params: [new Date(0)], location: 'locationId', methodName: 'parse' })
+  ).toThrowErrorMatchingInlineSnapshot(
+    `"Operator Error: _yaml.parse - requires a string type to parse. Received: {\\"_yaml.parse\\":[\\"1970-01-01T00:00:00.000Z\\"]} at locationId."`
+  );
 });
 
 test('_yaml.parse array', () => {
   expect(
     yaml({
-      params: `- a: a1
+      params: [
+        `- a: a1
 - a: a2`,
-
+      ],
       location: 'locationId',
       methodName: 'parse',
     })
@@ -81,8 +82,10 @@ test('_yaml.parse array', () => {
 test('_yaml.parse date array', () => {
   expect(
     yaml({
-      params: `- _date: "1970-01-01T00:00:00.000Z"
+      params: [
+        `- _date: "1970-01-01T00:00:00.000Z"
 - _date: "1970-01-01T00:00:00.001Z"`,
+      ],
       location: 'locationId',
       methodName: 'parse',
     })
@@ -92,7 +95,7 @@ test('_yaml.parse date array', () => {
 test('_yaml.parse date as object', () => {
   expect(
     yaml({
-      params: `_date: "1970-01-01T00:00:00.000Z"`,
+      params: [`_date: "1970-01-01T00:00:00.000Z"`],
       location: 'locationId',
       methodName: 'parse',
     })
@@ -102,8 +105,10 @@ test('_yaml.parse date as object', () => {
 test('_yaml.parse date object', () => {
   expect(
     yaml({
-      params: `a:
+      params: [
+        `a:
   _date: "1970-01-01T00:00:00.000Z"`,
+      ],
       location: 'locationId',
       methodName: 'parse',
     })
@@ -111,11 +116,11 @@ test('_yaml.parse date object', () => {
 });
 
 test('_yaml.parse non string', () => {
-  expect(() => yaml({ params: 123, location: 'locationId', methodName: 'parse' }))
-    .toThrowErrorMatchingInlineSnapshot(`
-    "Operator Error: _yaml.parse accepts one of the following types: string.
-          Received: {\\"_yaml.parse\\":123} at locationId."
-  `);
+  expect(() =>
+    yaml({ params: [123], location: 'locationId', methodName: 'parse' })
+  ).toThrowErrorMatchingInlineSnapshot(
+    `"Operator Error: _yaml.parse - requires a string type to parse. Received: {\\"_yaml.parse\\":[123]} at locationId."`
+  );
 });
 
 test('_yaml.stringify string', () => {
@@ -159,7 +164,7 @@ test('_yaml.stringify undefined', () => {
 test('_yaml.stringify date', () => {
   expect(yaml({ params: [new Date(0)], location: 'locationId', methodName: 'stringify' }))
     .toMatchInlineSnapshot(`
-    "_date: '1970-01-01T00:00:00.000Z'
+    "_date: 1970-01-01T00:00:00.000Z
     "
   `);
 });
@@ -178,8 +183,8 @@ test('_yaml.stringify date array', () => {
   expect(
     yaml({ params: [[new Date(0), new Date(1)]], location: 'locationId', methodName: 'stringify' })
   ).toMatchInlineSnapshot(`
-    "- _date: '1970-01-01T00:00:00.000Z'
-    - _date: '1970-01-01T00:00:00.001Z'
+    "- _date: 1970-01-01T00:00:00.000Z
+    - _date: 1970-01-01T00:00:00.001Z
     "
   `);
 });
@@ -188,55 +193,56 @@ test('_yaml.stringify date object', () => {
   expect(yaml({ params: [{ a: new Date(0) }], location: 'locationId', methodName: 'stringify' }))
     .toMatchInlineSnapshot(`
     "a:
-      _date: '1970-01-01T00:00:00.000Z'
+      _date: 1970-01-01T00:00:00.000Z
     "
   `);
 });
 
-test('_yaml.stringify date object with options: sortKeys: false', () => {
-  expect(
-    yaml({
-      params: [{ b: new Date(0), a: new Date(0) }, { sortKeys: false }],
-      location: 'locationId',
-      methodName: 'stringify',
-    })
-  ).toMatchInlineSnapshot(`
-    "b:
-      _date: '1970-01-01T00:00:00.000Z'
-    a:
-      _date: '1970-01-01T00:00:00.000Z'
-    "
-  `);
-});
+// TODO: consider sortKeys implementation.
+// test('_yaml.stringify date object with options: sortKeys: false', () => {
+//   expect(
+//     yaml({
+//       params: [{ b: new Date(0), a: new Date(0) }, { sortKeys: false }],
+//       location: 'locationId',
+//       methodName: 'stringify',
+//     })
+//   ).toMatchInlineSnapshot(`
+//     "b:
+//       _date: 1970-01-01T00:00:00.000Z
+//     a:
+//       _date: 1970-01-01T00:00:00.000Z
+//     "
+//   `);
+// });
 
-test('_yaml.stringify as object with options: sortKeys: false', () => {
-  expect(
-    yaml({
-      params: { on: { b: new Date(0), a: new Date(0) }, options: { sortKeys: false } },
-      location: 'locationId',
-      methodName: 'stringify',
-    })
-  ).toMatchInlineSnapshot(`
-    "b:
-      _date: '1970-01-01T00:00:00.000Z'
-    a:
-      _date: '1970-01-01T00:00:00.000Z'
-    "
-  `);
-});
+// test('_yaml.stringify as object with options: sortKeys: false', () => {
+//   expect(
+//     yaml({
+//       params: { on: { b: new Date(0), a: new Date(0) }, options: { sortKeys: false } },
+//       location: 'locationId',
+//       methodName: 'stringify',
+//     })
+//   ).toMatchInlineSnapshot(`
+//     "b:
+//       _date: 1970-01-01T00:00:00.000Z
+//     a:
+//       _date: 1970-01-01T00:00:00.000Z
+//     "
+//   `);
+// });
 
-test('_yaml.stringify as object with options: sortKeys: true', () => {
-  expect(
-    yaml({
-      params: { on: { b: new Date(0), a: new Date(0) }, options: { sortKeys: true } },
-      location: 'locationId',
-      methodName: 'stringify',
-    })
-  ).toMatchInlineSnapshot(`
-    "a:
-      _date: '1970-01-01T00:00:00.000Z'
-    b:
-      _date: '1970-01-01T00:00:00.000Z'
-    "
-  `);
-});
+// test('_yaml.stringify as object with options: sortKeys: true', () => {
+//   expect(
+//     yaml({
+//       params: { on: { b: new Date(0), a: new Date(0) }, options: { sortKeys: true } },
+//       location: 'locationId',
+//       methodName: 'stringify',
+//     })
+//   ).toMatchInlineSnapshot(`
+//     "a:
+//       _date: 1970-01-01T00:00:00.000Z
+//     b:
+//       _date: 1970-01-01T00:00:00.000Z
+//     "
+//   `);
+// });
diff --git a/packages/server-dev/src/manager/utils/getLowdefyVersion.mjs b/packages/server-dev/src/manager/utils/getLowdefyVersion.mjs
index d03a3cd99..6baff92c0 100644
--- a/packages/server-dev/src/manager/utils/getLowdefyVersion.mjs
+++ b/packages/server-dev/src/manager/utils/getLowdefyVersion.mjs
@@ -17,7 +17,7 @@
 import path from 'path';
 import { type } from '@lowdefy/helpers';
 import { readFile } from '@lowdefy/node-utils';
-import YAML from 'js-yaml';
+import YAML from 'yaml';
 
 async function getLowdefyVersion(context) {
   let lowdefyYaml = await readFile(path.join(context.directories.config, 'lowdefy.yaml'));
@@ -29,7 +29,7 @@ async function getLowdefyVersion(context) {
   }
   let lowdefy;
   try {
-    lowdefy = YAML.load(lowdefyYaml);
+    lowdefy = YAML.parse(lowdefyYaml);
   } catch (error) {
     throw new Error(`Could not parse "lowdefy.yaml" file. Received error ${error.message}.`);
   }
diff --git a/yarn.lock b/yarn.lock
index 1fcf7f619..05920e221 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -2245,9 +2245,9 @@ __metadata:
     "@swc/jest": 0.2.17
     ajv: 8.9.0
     jest: 27.5.1
-    js-yaml: 4.1.0
     json5: 2.2.0
     uuid: 8.3.2
+    yaml: 2.0.0-10
     yargs: 17.3.1
   bin:
     lowdefy-build: ./dist/scripts/run.js
@@ -2586,7 +2586,7 @@ __metadata:
     "@swc/core": 1.2.135
     "@swc/jest": 0.2.17
     jest: 27.5.1
-    js-yaml: 4.1.0
+    yaml: 2.0.0-10
   languageName: unknown
   linkType: soft
 
@@ -9800,9 +9800,9 @@ __metadata:
     decompress: 4.2.1
     decompress-targz: 4.1.1
     jest: 27.5.1
-    js-yaml: 4.1.0
     ora: 5.4.1
     uuid: 8.3.2
+    yaml: 2.0.0-10
   bin:
     lowdefy: ./dist/index.js
   languageName: unknown
@@ -15860,6 +15860,13 @@ __metadata:
   languageName: node
   linkType: hard
 
+"yaml@npm:2.0.0-10":
+  version: 2.0.0-10
+  resolution: "yaml@npm:2.0.0-10"
+  checksum: 7a0bac2f80225da6008fb8ab887f43166fb2485cc3e1350185c43499c76841ea0ca9d79b40c0970e08ab3943f25ffb184e709fef7fb8b26d73987ed0452a91cc
+  languageName: node
+  linkType: hard
+
 "yaml@npm:^1.10.0, yaml@npm:^1.7.2, yaml@npm:^1.8.3":
   version: 1.10.2
   resolution: "yaml@npm:1.10.2"