diff --git a/package.json b/package.json
index 7a7023c3..f0a335d2 100644
--- a/package.json
+++ b/package.json
@@ -44,7 +44,7 @@
     "to-string-loader": "1.1.5",
     "tslib": "^1.10.0",
     "typedoc": "^0.15.0",
-    "typescript": "^3.6.3",
+    "typescript": "^3.6.4",
     "url-loader": "^2.1.0",
     "val-loader": "1.1.1",
     "webpack": "^4.41.0",
diff --git a/yarn.lock b/yarn.lock
index 7757d131..64617a2d 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -6804,10 +6804,10 @@ typescript@3.5.x:
   resolved "https://registry.yarnpkg.com/typescript/-/typescript-3.5.3.tgz#c830f657f93f1ea846819e929092f5fe5983e977"
   integrity sha512-ACzBtm/PhXBDId6a6sDJfroT2pOWt/oOnk4/dElG5G33ZL776N3Y6/6bKZJBFpd+b05F3Ct9qDjMeJmRWtE2/g==
 
-typescript@^3.6.3:
-  version "3.6.3"
-  resolved "https://registry.yarnpkg.com/typescript/-/typescript-3.6.3.tgz#fea942fabb20f7e1ca7164ff626f1a9f3f70b4da"
-  integrity sha512-N7bceJL1CtRQ2RiG0AQME13ksR7DiuQh/QehubYcghzv20tnh+MQnQIuJddTmsbqYj+dztchykemz0zFzlvdQw==
+typescript@^3.6.4:
+  version "3.6.4"
+  resolved "https://registry.yarnpkg.com/typescript/-/typescript-3.6.4.tgz#b18752bb3792bc1a0281335f7f6ebf1bbfc5b91d"
+  integrity sha512-unoCll1+l+YK4i4F8f22TaNVPRHcD9PA3yCuZ8g5e0qGqlVlJ/8FSateOLLSagn+Yg5+ZwuPkL8LFUc0Jcvksg==
 
 uglify-js@3.4.x:
   version "3.4.7"