diff --git a/package-lock.json b/package-lock.json
index d6e372b..6a20f87 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -19,7 +19,7 @@
         "jest": "27.4.7",
         "jest-circus": "27.4.6",
         "ts-jest": "27.1.2",
-        "typescript": "4.5.5"
+        "typescript": "4.9.4"
       }
     },
     "node_modules/@actions/core": {
@@ -4133,9 +4133,9 @@
       }
     },
     "node_modules/typescript": {
-      "version": "4.5.5",
-      "resolved": "https://registry.npmjs.org/typescript/-/typescript-4.5.5.tgz",
-      "integrity": "sha512-TCTIul70LyWe6IJWT8QSYeA54WQe8EjQFU4wY52Fasj5UKx88LNYKCgBEHcOMOrFF1rKGbD8v/xcNWVUq9SymA==",
+      "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",
@@ -7601,9 +7601,9 @@
       }
     },
     "typescript": {
-      "version": "4.5.5",
-      "resolved": "https://registry.npmjs.org/typescript/-/typescript-4.5.5.tgz",
-      "integrity": "sha512-TCTIul70LyWe6IJWT8QSYeA54WQe8EjQFU4wY52Fasj5UKx88LNYKCgBEHcOMOrFF1rKGbD8v/xcNWVUq9SymA==",
+      "version": "4.9.4",
+      "resolved": "https://registry.npmjs.org/typescript/-/typescript-4.9.4.tgz",
+      "integrity": "sha512-Uz+dTXYzxXXbsFpM86Wh3dKCxrQqUcVMxwU54orwlJjOpO3ao8L7j5lH+dWfTwgCwIuM9GQ2kvVotzYJMXTBZg==",
       "dev": true
     },
     "universal-user-agent": {
diff --git a/package.json b/package.json
index 18b0bd4..8cd78bb 100644
--- a/package.json
+++ b/package.json
@@ -30,6 +30,6 @@
     "jest": "27.4.7",
     "jest-circus": "27.4.6",
     "ts-jest": "27.1.2",
-    "typescript": "4.5.5"
+    "typescript": "4.9.4"
   }
 }