diff --git a/frontend/package-lock.json b/frontend/package-lock.json
index 20e88e8..070378d 100644
--- a/frontend/package-lock.json
+++ b/frontend/package-lock.json
@@ -1208,13 +1208,15 @@
           "version": "1.0.0",
           "resolved": "https://registry.npmjs.org/is-extglob/-/is-extglob-1.0.0.tgz",
           "integrity": "sha1-rEaBd8SUNAWgkvyPKXYMb/xiBsA=",
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "is-glob": {
           "version": "2.0.1",
           "resolved": "https://registry.npmjs.org/is-glob/-/is-glob-2.0.1.tgz",
           "integrity": "sha1-0Jb5JqPe1WAPP9/ZEZjLCIjC2GM=",
           "dev": true,
+          "optional": true,
           "requires": {
             "is-extglob": "1.0.0"
           }
@@ -7227,11 +7229,11 @@
       "integrity": "sha512-kHmoybcPV8Sqy59DwNDY3Jefr64lK/by/da0ViFcuA4DH0vQg5Q6Ze5VimxkfQNSC+Mls/Kx53s7TjP1RhFEDQ=="
     },
     "moment-timezone": {
-      "version": "0.5.31",
-      "resolved": "https://registry.npmjs.org/moment-timezone/-/moment-timezone-0.5.31.tgz",
-      "integrity": "sha512-+GgHNg8xRhMXfEbv81iDtrVeTcWt0kWmTEY1XQK14dICTXnWJnT0dxdlPspwqF3keKMVPXwayEsk1DI0AA/jdA==",
+      "version": "0.5.35",
+      "resolved": "https://registry.npmjs.org/moment-timezone/-/moment-timezone-0.5.35.tgz",
+      "integrity": "sha512-cY/pBOEXepQvlgli06ttCTKcIf8cD1nmNwOKQQAdHBqYApQSpAqotBMX0RJZNgMp6i0PlZuf1mFtnlyEkwyvFw==",
       "requires": {
-        "moment": "2.29.1"
+        "moment": ">= 2.9.0"
       }
     },
     "mousetrap": {
diff --git a/frontend/package.json b/frontend/package.json
index eb661c9..dd2aeb0 100644
--- a/frontend/package.json
+++ b/frontend/package.json
@@ -74,7 +74,7 @@
     "lodash": "^4.17.21",
     "m-react-splitters": "^1.2.0",
     "moment": "^2.17.1",
-    "moment-timezone": "^0.5.13",
+    "moment-timezone": "^0.5.35",
     "namor": "^1.1.2",
     "node-sass": "^4.13.0",
     "pe7-icon": "^1.0.4",