diff --git a/package-lock.json b/package-lock.json
index 3e56b01..24d0f90 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -86,9 +86,9 @@
       "dev": true
     },
     "typescript": {
-      "version": "3.6.3",
-      "resolved": "https://registry.npmjs.org/typescript/-/typescript-3.6.3.tgz",
-      "integrity": "sha512-N7bceJL1CtRQ2RiG0AQME13ksR7DiuQh/QehubYcghzv20tnh+MQnQIuJddTmsbqYj+dztchykemz0zFzlvdQw==",
+      "version": "3.6.4",
+      "resolved": "https://registry.npmjs.org/typescript/-/typescript-3.6.4.tgz",
+      "integrity": "sha512-unoCll1+l+YK4i4F8f22TaNVPRHcD9PA3yCuZ8g5e0qGqlVlJ/8FSateOLLSagn+Yg5+ZwuPkL8LFUc0Jcvksg==",
       "dev": true
     },
     "typescript-formatter": {
diff --git a/package.json b/package.json
index f3f63a3..ceb26a0 100644
--- a/package.json
+++ b/package.json
@@ -31,7 +31,7 @@
     "@actions/io": "^1.0.0",
     "@types/node": "^12.7.12",
     "prettier": "^1.17.1",
-    "typescript": "^3.5.1",
+    "typescript": "^3.6.4",
     "typescript-formatter": "^7.2.2"
   }
 }