diff --git a/package-lock.json b/package-lock.json
index 50bcf6c..d277bb6 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -46,7 +46,7 @@
         "prettier": "^2.7.1",
         "sinon": "^14.0.2",
         "ts-node-dev": "^2.0.0",
-        "typescript": "^4.8.4"
+        "typescript": "^4.9.3"
       }
     },
     "node_modules/@actions/core": {
@@ -11165,9 +11165,9 @@
       }
     },
     "node_modules/typescript": {
-      "version": "4.8.4",
-      "resolved": "https://registry.npmjs.org/typescript/-/typescript-4.8.4.tgz",
-      "integrity": "sha512-QCh+85mCy+h0IGff8r5XWzOVSbBO+KfeYrMQh7NJ58QujwcE22u+NUSmUxqF+un70P9GXKxa2HCNiTTMJknyjQ==",
+      "version": "4.9.3",
+      "resolved": "https://registry.npmjs.org/typescript/-/typescript-4.9.3.tgz",
+      "integrity": "sha512-CIfGzTelbKNEnLpLdGFgdyKhG23CKdKgQPOBc+OUNrkJ2vr+KSzsSV5kq5iWhEQbok+quxgGzrAtGWCyU7tHnA==",
       "dev": true,
       "bin": {
         "tsc": "bin/tsc",
@@ -19814,9 +19814,9 @@
       }
     },
     "typescript": {
-      "version": "4.8.4",
-      "resolved": "https://registry.npmjs.org/typescript/-/typescript-4.8.4.tgz",
-      "integrity": "sha512-QCh+85mCy+h0IGff8r5XWzOVSbBO+KfeYrMQh7NJ58QujwcE22u+NUSmUxqF+un70P9GXKxa2HCNiTTMJknyjQ==",
+      "version": "4.9.3",
+      "resolved": "https://registry.npmjs.org/typescript/-/typescript-4.9.3.tgz",
+      "integrity": "sha512-CIfGzTelbKNEnLpLdGFgdyKhG23CKdKgQPOBc+OUNrkJ2vr+KSzsSV5kq5iWhEQbok+quxgGzrAtGWCyU7tHnA==",
       "dev": true
     },
     "uglify-js": {
diff --git a/package.json b/package.json
index b4b47a4..34da473 100644
--- a/package.json
+++ b/package.json
@@ -50,7 +50,7 @@
     "prettier": "^2.7.1",
     "sinon": "^14.0.2",
     "ts-node-dev": "^2.0.0",
-    "typescript": "^4.8.4"
+    "typescript": "^4.9.3"
   },
   "dependencies": {
     "@actions/core": "^1.10.0",