diff --git a/packages/core/src/component.ts b/packages/core/src/component.ts
index c79f8b7f..8846fe62 100644
--- a/packages/core/src/component.ts
+++ b/packages/core/src/component.ts
@@ -1,4 +1,4 @@
-import { JSONSchema4 } from "json-schema";
+import { JSONSchema7 } from "json-schema";
 import { parseVersion } from "./version";
 import { Metadata } from "./metadata";
 import { MethodSchema } from "./method";
@@ -14,9 +14,9 @@ export type Component = {
 };
 
 type ComponentSpec = {
-  properties: Array<JSONSchema4 & { name: string }>;
+  properties: Array<JSONSchema7 & { name: string }>;
   acceptTraits: TraitSchema[];
-  state: JSONSchema4;
+  state: JSONSchema7;
   methods: MethodSchema[];
 };
 
diff --git a/packages/core/src/method.ts b/packages/core/src/method.ts
index 6f922dee..c2feb283 100644
--- a/packages/core/src/method.ts
+++ b/packages/core/src/method.ts
@@ -1,6 +1,6 @@
-import { JSONSchema4 } from "json-schema";
+import { JSONSchema7 } from "json-schema";
 
 export type MethodSchema = {
   name: string;
-  parameters?: JSONSchema4;
+  parameters?: JSONSchema7;
 };
diff --git a/packages/core/src/trait.ts b/packages/core/src/trait.ts
index 3fad3cec..aa674ccd 100644
--- a/packages/core/src/trait.ts
+++ b/packages/core/src/trait.ts
@@ -1,4 +1,4 @@
-import { JSONSchema4 } from "json-schema";
+import { JSONSchema7 } from "json-schema";
 import { Metadata } from "./metadata";
 import { MethodSchema } from "./method";
 import { parseVersion, Version } from "./version";
@@ -13,8 +13,8 @@ export type Trait = {
 };
 
 type TraitSpec = {
-  properties: Array<JSONSchema4 & { name: string }>;
-  state: JSONSchema4;
+  properties: Array<JSONSchema7 & { name: string }>;
+  state: JSONSchema7;
   methods: MethodSchema[];
 };