diff --git a/functions/package-lock.json b/functions/package-lock.json
index 910bca0..8fdfdc4 100644
--- a/functions/package-lock.json
+++ b/functions/package-lock.json
@@ -1620,9 +1620,9 @@
       "integrity": "sha512-bV7f+6l2QigeBBZSM/6yTNq4P2fNpSWj/0e7jQcy87A8e7o2nAfP/34/2ky5Vw4B9S446EtIhodAzkFCcR4dQg=="
     },
     "moment-timezone": {
-      "version": "0.5.28",
-      "resolved": "https://registry.npmjs.org/moment-timezone/-/moment-timezone-0.5.28.tgz",
-      "integrity": "sha512-TDJkZvAyKIVWg5EtVqRzU97w0Rb0YVbfpqyjgu6GwXCAohVRqwZjf4fOzDE6p1Ch98Sro/8hQQi65WDXW5STPw==",
+      "version": "0.5.35",
+      "resolved": "https://registry.npmjs.org/moment-timezone/-/moment-timezone-0.5.35.tgz",
+      "integrity": "sha512-cY/pBOEXepQvlgli06ttCTKcIf8cD1nmNwOKQQAdHBqYApQSpAqotBMX0RJZNgMp6i0PlZuf1mFtnlyEkwyvFw==",
       "requires": {
         "moment": ">= 2.9.0"
       }
diff --git a/functions/package.json b/functions/package.json
index 1edcdba..c320deb 100644
--- a/functions/package.json
+++ b/functions/package.json
@@ -16,7 +16,7 @@
     "firebase-admin": "^8.6.0",
     "firebase-functions": "^3.7.0",
     "moment": "^2.24.0",
-    "moment-timezone": "^0.5.28",
+    "moment-timezone": "^0.5.35",
     "node-fetch": "^2.6.1",
     "request": "^2.88.2",
     "request-promise": "^4.2.5"