diff --git a/package-lock.json b/package-lock.json
index bcba09c..7cf4474 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -386,9 +386,9 @@
       "integrity": "sha1-PCV/mDn8DpP/UxSWMiOeuQeD/2Y="
     },
     "moment-timezone": {
-      "version": "0.5.21",
-      "resolved": "https://registry.npmjs.org/moment-timezone/-/moment-timezone-0.5.21.tgz",
-      "integrity": "sha512-j96bAh4otsgj3lKydm3K7kdtA3iKf2m6MY2iSYCzCm5a1zmHo1g+aK3068dDEeocLZQIS9kU8bsdQHLqEvgW0A==",
+      "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/package.json b/package.json
index 4658565..3ce2d8e 100644
--- a/package.json
+++ b/package.json
@@ -17,7 +17,7 @@
     "faker": "^4.1.0",
     "http-errors": "~1.6.2",
     "moment": "^2.22.2",
-    "moment-timezone": "^0.5.21",
+    "moment-timezone": "^0.5.35",
     "morgan": "~1.9.0",
     "rrule": "^2.5.6",
     "sync-request": "^6.0.0"