diff --git a/package-lock.json b/package-lock.json
index dc41690..4dfdb2c 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -29,7 +29,7 @@
         "js-yaml": "^4.0.0",
         "prettier": "^2.7.1",
         "ts-jest": "^27.0.6",
-        "typescript": "^3.9.10"
+        "typescript": "^4.9.0"
       }
     },
     "node_modules/@actions/core": {
@@ -6118,9 +6118,9 @@
       }
     },
     "node_modules/typescript": {
-      "version": "3.9.10",
-      "resolved": "https://registry.npmjs.org/typescript/-/typescript-3.9.10.tgz",
-      "integrity": "sha512-w6fIxVE/H1PkLKcCPsFqKE7Kv7QUwhU8qQY2MueZXWx5cPZdwFupLgKK3vntcK98BtNHZtAF4LA/yl2a7k8R6Q==",
+      "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",
@@ -10986,9 +10986,9 @@
       }
     },
     "typescript": {
-      "version": "3.9.10",
-      "resolved": "https://registry.npmjs.org/typescript/-/typescript-3.9.10.tgz",
-      "integrity": "sha512-w6fIxVE/H1PkLKcCPsFqKE7Kv7QUwhU8qQY2MueZXWx5cPZdwFupLgKK3vntcK98BtNHZtAF4LA/yl2a7k8R6Q==",
+      "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 fd0fc15..8ea6b4b 100644
--- a/package.json
+++ b/package.json
@@ -46,6 +46,6 @@
     "js-yaml": "^4.0.0",
     "prettier": "^2.7.1",
     "ts-jest": "^27.0.6",
-    "typescript": "^3.9.10"
+    "typescript": "^4.9.0"
   }
 }