diff --git a/functions/package-lock.json b/functions/package-lock.json
index 7783273e..788b7cf1 100644
--- a/functions/package-lock.json
+++ b/functions/package-lock.json
@@ -414,9 +414,9 @@
       }
     },
     "@types/chai": {
-      "version": "4.2.12",
-      "resolved": "https://registry.npmjs.org/@types/chai/-/chai-4.2.12.tgz",
-      "integrity": "sha512-aN5IAC8QNtSUdQzxu7lGBgYAOuU1tmRU4c9dIq5OKGf/SBVjXo+ffM2wEjudAWbgpOhy60nLoAGH1xm8fpCKFQ==",
+      "version": "4.3.1",
+      "resolved": "https://registry.npmjs.org/@types/chai/-/chai-4.3.1.tgz",
+      "integrity": "sha512-/zPMqDkzSZ8t3VtxOa4KPq7uzzW978M9Tvh+j7GHKuo6k6GTLxPJ4J5gE5cjfJ26pnXst0N5Hax8Sr0T2Mi9zQ==",
       "dev": true
     },
     "@types/chai-as-promised": {
diff --git a/functions/package.json b/functions/package.json
index 952b536b..5cedbceb 100644
--- a/functions/package.json
+++ b/functions/package.json
@@ -24,7 +24,7 @@
     "inquirer": "^7.3.3"
   },
   "devDependencies": {
-    "@types/chai": "^4.2.12",
+    "@types/chai": "^4.3.1",
     "@types/chai-as-promised": "^7.1.3",
     "@types/mocha": "^8.0.4",
     "chai": "^4.2.0",