diff --git a/functions/package-lock.json b/functions/package-lock.json
index ebfbe4d..531cf7d 100644
--- a/functions/package-lock.json
+++ b/functions/package-lock.json
@@ -3580,9 +3580,9 @@
       }
     },
     "typescript": {
-      "version": "4.1.3",
-      "resolved": "https://registry.npmjs.org/typescript/-/typescript-4.1.3.tgz",
-      "integrity": "sha512-B3ZIOf1IKeH2ixgHhj6la6xdwR9QrLC5d1VKeCSY4tvkqhF2eqd9O7txNlS0PO3GrBAFIdr3L1ndNwteUbZLYg==",
+      "version": "4.6.4",
+      "resolved": "https://registry.npmjs.org/typescript/-/typescript-4.6.4.tgz",
+      "integrity": "sha512-9ia/jWHIEbo49HfjrLGfKbZSuWo9iTMwXO+Ca3pRsSpbsMbc7/IU8NKdCZVRRBafVPGnoJeFL76ZOAA84I9fEg==",
       "dev": true
     },
     "unique-string": {
diff --git a/functions/package.json b/functions/package.json
index 47af1f9..8322e41 100644
--- a/functions/package.json
+++ b/functions/package.json
@@ -29,7 +29,7 @@
     "eslint": "7.18.0",
     "eslint-plugin-import": "2.22.1",
     "firebase-functions-test": "0.2.3",
-    "typescript": "4.1.3"
+    "typescript": "4.6.4"
   },
   "private": true
 }