diff --git a/package-lock.json b/package-lock.json
index 2cd3a29..9d693fb 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -24,7 +24,7 @@
         "js-yaml": "^3.14.0",
         "prettier": "2.2.1",
         "ts-jest": "^26.5.6",
-        "typescript": "^4.3.2"
+        "typescript": "^4.9.4"
       }
     },
     "node_modules/@actions/core": {
@@ -11033,9 +11033,9 @@
       }
     },
     "node_modules/typescript": {
-      "version": "4.3.2",
-      "resolved": "https://registry.npmjs.org/typescript/-/typescript-4.3.2.tgz",
-      "integrity": "sha512-zZ4hShnmnoVnAHpVHWpTcxdv7dWP60S2FsydQLV8V5PbS3FifjWFFRiHSWpDJahly88PRyV5teTSLoq4eG7mKw==",
+      "version": "4.9.4",
+      "resolved": "https://registry.npmjs.org/typescript/-/typescript-4.9.4.tgz",
+      "integrity": "sha512-Uz+dTXYzxXXbsFpM86Wh3dKCxrQqUcVMxwU54orwlJjOpO3ao8L7j5lH+dWfTwgCwIuM9GQ2kvVotzYJMXTBZg==",
       "dev": true,
       "bin": {
         "tsc": "bin/tsc",
@@ -20314,9 +20314,9 @@
       }
     },
     "typescript": {
-      "version": "4.3.2",
-      "resolved": "https://registry.npmjs.org/typescript/-/typescript-4.3.2.tgz",
-      "integrity": "sha512-zZ4hShnmnoVnAHpVHWpTcxdv7dWP60S2FsydQLV8V5PbS3FifjWFFRiHSWpDJahly88PRyV5teTSLoq4eG7mKw==",
+      "version": "4.9.4",
+      "resolved": "https://registry.npmjs.org/typescript/-/typescript-4.9.4.tgz",
+      "integrity": "sha512-Uz+dTXYzxXXbsFpM86Wh3dKCxrQqUcVMxwU54orwlJjOpO3ao8L7j5lH+dWfTwgCwIuM9GQ2kvVotzYJMXTBZg==",
       "dev": true
     },
     "unbox-primitive": {
diff --git a/package.json b/package.json
index 26f4210..e42f43f 100644
--- a/package.json
+++ b/package.json
@@ -40,6 +40,6 @@
     "js-yaml": "^3.14.0",
     "prettier": "2.2.1",
     "ts-jest": "^26.5.6",
-    "typescript": "^4.3.2"
+    "typescript": "^4.9.4"
   }
 }