diff --git a/functions/package-lock.json b/functions/package-lock.json
index 7783273e..d30b3139 100644
--- a/functions/package-lock.json
+++ b/functions/package-lock.json
@@ -2765,9 +2765,9 @@
       }
     },
     "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/functions/package.json b/functions/package.json
index 952b536b..b406c0c8 100644
--- a/functions/package.json
+++ b/functions/package.json
@@ -33,7 +33,7 @@
     "mocha": "^8.2.1",
     "ts-node": "^9.1.1",
     "tslint": "^6.1.3",
-    "typescript": "^4.1.2"
+    "typescript": "^4.9.4"
   },
   "private": true
 }