diff --git a/package-lock.json b/package-lock.json
index 749c2f7..34525c3 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -9243,9 +9243,9 @@
       }
     },
     "typescript": {
-      "version": "4.0.3",
-      "resolved": "https://registry.npmjs.org/typescript/-/typescript-4.0.3.tgz",
-      "integrity": "sha512-tEu6DGxGgRJPb/mVPIZ48e69xCn2yRmCgYmDugAVwmJ6o+0u1RI18eO7E7WBTLYLaEVVOhwQmcdhQHweux/WPg==",
+      "version": "4.3.5",
+      "resolved": "https://registry.npmjs.org/typescript/-/typescript-4.3.5.tgz",
+      "integrity": "sha512-DqQgihaQ9cUrskJo9kIyW/+g0Vxsk8cDtZ52a3NGh0YNTfpUSArXSohyUGnvbPazEPLu398C0UxmKSOrPumUzA==",
       "dev": true
     },
     "union-value": {
diff --git a/package.json b/package.json
index 6ac9a7c..6efe2f6 100644
--- a/package.json
+++ b/package.json
@@ -23,7 +23,7 @@
     "jest": "^26.5.2",
     "ts-jest": "^26.4.1",
     "ts-node": "^9.0.0",
-    "typescript": "~4.0.3"
+    "typescript": "~4.3.5"
   },
   "dependencies": {
     "@aws-cdk/aws-cloudwatch-actions": "^1.95.1",