diff --git a/package-lock.json b/package-lock.json
index e1e4990..3fdefde 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -23,7 +23,7 @@
         "eslint": "^7.25.0",
         "js-yaml": "^4.0.0",
         "prettier": "^2.2.1",
-        "typescript": "^4.2.4"
+        "typescript": "^4.8.4"
       }
     },
     "node_modules/@actions/core": {
@@ -2014,9 +2014,9 @@
       }
     },
     "node_modules/typescript": {
-      "version": "4.2.4",
-      "resolved": "https://registry.npmjs.org/typescript/-/typescript-4.2.4.tgz",
-      "integrity": "sha512-V+evlYHZnQkaz8TRBuxTA92yZBPotr5H+WhQ7bD3hZUndx5tGOa1fuCgeSjxAzM1RiN5IzvadIXTVefuuwZCRg==",
+      "version": "4.8.4",
+      "resolved": "https://registry.npmjs.org/typescript/-/typescript-4.8.4.tgz",
+      "integrity": "sha512-QCh+85mCy+h0IGff8r5XWzOVSbBO+KfeYrMQh7NJ58QujwcE22u+NUSmUxqF+un70P9GXKxa2HCNiTTMJknyjQ==",
       "dev": true,
       "bin": {
         "tsc": "bin/tsc",
@@ -3534,9 +3534,9 @@
       "dev": true
     },
     "typescript": {
-      "version": "4.2.4",
-      "resolved": "https://registry.npmjs.org/typescript/-/typescript-4.2.4.tgz",
-      "integrity": "sha512-V+evlYHZnQkaz8TRBuxTA92yZBPotr5H+WhQ7bD3hZUndx5tGOa1fuCgeSjxAzM1RiN5IzvadIXTVefuuwZCRg==",
+      "version": "4.8.4",
+      "resolved": "https://registry.npmjs.org/typescript/-/typescript-4.8.4.tgz",
+      "integrity": "sha512-QCh+85mCy+h0IGff8r5XWzOVSbBO+KfeYrMQh7NJ58QujwcE22u+NUSmUxqF+un70P9GXKxa2HCNiTTMJknyjQ==",
       "dev": true
     },
     "uri-js": {
diff --git a/package.json b/package.json
index 5699687..7ee8bfb 100644
--- a/package.json
+++ b/package.json
@@ -42,6 +42,6 @@
     "eslint": "^7.25.0",
     "js-yaml": "^4.0.0",
     "prettier": "^2.2.1",
-    "typescript": "^4.2.4"
+    "typescript": "^4.8.4"
   }
 }