diff --git a/deployments/package-lock.json b/deployments/package-lock.json
index a7ff9fd..5c5d64f 100644
--- a/deployments/package-lock.json
+++ b/deployments/package-lock.json
@@ -29,7 +29,7 @@
         "jest": "^26.4.2",
         "ts-jest": "^26.2.0",
         "ts-node": "^8.1.0",
-        "typescript": "~3.9.7"
+        "typescript": "~4.2.3"
       }
     },
     "node_modules/@aws-cdk/assert": {
@@ -7630,9 +7630,9 @@
       }
     },
     "node_modules/typescript": {
-      "version": "3.9.9",
-      "resolved": "https://registry.npmjs.org/typescript/-/typescript-3.9.9.tgz",
-      "integrity": "sha512-kdMjTiekY+z/ubJCATUPlRDl39vXYiMV9iyeMuEuXZh2we6zz80uovNN2WlAxmmdE/Z/YQe+EbOEXB5RHEED3w==",
+      "version": "4.2.3",
+      "resolved": "https://registry.npmjs.org/typescript/-/typescript-4.2.3.tgz",
+      "integrity": "sha512-qOcYwxaByStAWrBf4x0fibwZvMRG+r4cQoTjbPtUlrWjBHbmCAww1i448U0GJ+3cNNEtebDteo/cHOR3xJ4wEw==",
       "dev": true,
       "bin": {
         "tsc": "bin/tsc",
@@ -13513,9 +13513,9 @@
       }
     },
     "typescript": {
-      "version": "3.9.9",
-      "resolved": "https://registry.npmjs.org/typescript/-/typescript-3.9.9.tgz",
-      "integrity": "sha512-kdMjTiekY+z/ubJCATUPlRDl39vXYiMV9iyeMuEuXZh2we6zz80uovNN2WlAxmmdE/Z/YQe+EbOEXB5RHEED3w==",
+      "version": "4.2.3",
+      "resolved": "https://registry.npmjs.org/typescript/-/typescript-4.2.3.tgz",
+      "integrity": "sha512-qOcYwxaByStAWrBf4x0fibwZvMRG+r4cQoTjbPtUlrWjBHbmCAww1i448U0GJ+3cNNEtebDteo/cHOR3xJ4wEw==",
       "dev": true
     },
     "union-value": {
diff --git a/deployments/package.json b/deployments/package.json
index a84a0b6..bfbd199 100644
--- a/deployments/package.json
+++ b/deployments/package.json
@@ -18,7 +18,7 @@
     "jest": "^26.4.2",
     "ts-jest": "^26.2.0",
     "ts-node": "^8.1.0",
-    "typescript": "~3.9.7"
+    "typescript": "~4.2.3"
   },
   "dependencies": {
     "@aws-cdk/aws-apigateway": "^1.93.0",