diff --git a/package-lock.json b/package-lock.json
index a8076f1..4c92210 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -4005,9 +4005,9 @@
       }
     },
     "typescript": {
-      "version": "4.1.2",
-      "resolved": "https://registry.npmjs.org/typescript/-/typescript-4.1.2.tgz",
-      "integrity": "sha512-thGloWsGH3SOxv1SoY7QojKi0tc+8FnOmiarEGMbd/lar7QOEd3hvlx3Fp5y6FlDUGl9L+pd4n2e+oToGMmhRQ==",
+      "version": "4.9.4",
+      "resolved": "https://registry.npmjs.org/typescript/-/typescript-4.9.4.tgz",
+      "integrity": "sha512-Uz+dTXYzxXXbsFpM86Wh3dKCxrQqUcVMxwU54orwlJjOpO3ao8L7j5lH+dWfTwgCwIuM9GQ2kvVotzYJMXTBZg==",
       "dev": true
     },
     "unique-string": {
diff --git a/package.json b/package.json
index 8a9346a..500d962 100644
--- a/package.json
+++ b/package.json
@@ -55,7 +55,7 @@
     "eslint-plugin-promise": "^4.2.1",
     "eslint-plugin-standard": "^5.0.0",
     "ts-node": "^9.1.0",
-    "typescript": "^4.1.2"
+    "typescript": "^4.9.4"
   },
   "ava": {
     "files": [