diff --git a/functions/package.json b/functions/package.json
index 49ece53..85310c4 100644
--- a/functions/package.json
+++ b/functions/package.json
@@ -25,7 +25,7 @@
     "bent": "7.3.9",
     "firebase-admin": "9.0.0",
     "firebase-functions": "3.9.0",
-    "moment": "2.27.0"
+    "moment": "2.29.4"
   },
   "devDependencies": {
     "@types/bent": "7.3.0",
diff --git a/functions/yarn.lock b/functions/yarn.lock
index a5b0a6a..15b6de8 100644
--- a/functions/yarn.lock
+++ b/functions/yarn.lock
@@ -1021,10 +1021,10 @@ mimic-fn@^2.1.0:
   resolved "https://registry.yarnpkg.com/mimic-fn/-/mimic-fn-2.1.0.tgz#7ed2c2ccccaf84d3ffcb7a69b57711fc2083401b"
   integrity sha512-OqbOk5oEQeAZ8WXWydlu9HJjz9WVdEIvamMCcXmuqUYjTknH/sqsWvhQ3vgwKFRR1HpjvNBKQ37nbJgYzGqGcg==
 
-moment@2.27.0:
-  version "2.27.0"
-  resolved "https://registry.yarnpkg.com/moment/-/moment-2.27.0.tgz#8bff4e3e26a236220dfe3e36de756b6ebaa0105d"
-  integrity sha512-al0MUK7cpIcglMv3YF13qSgdAIqxHTO7brRtaz3DlSULbqfazqkc5kEjNrLDOM7fsjshoFIihnU8snrP7zUvhQ==
+moment@2.29.4:
+  version "2.29.4"
+  resolved "https://registry.yarnpkg.com/moment/-/moment-2.29.4.tgz#3dbe052889fe7c1b2ed966fcb3a77328964ef108"
+  integrity sha512-5LC9SOxjSc2HF6vO2CyuTDNivEdoz2IvyJJGj6X8DJ0eFyfszE0QiEd+iXmBvUP3WHxSjFH/vIsA0EN00cgr8w==
 
 ms@2.0.0:
   version "2.0.0"