diff --git a/summit-trackchair-app/ui/package-lock.json b/summit-trackchair-app/ui/package-lock.json
index 0a01df292f..914368f822 100644
--- a/summit-trackchair-app/ui/package-lock.json
+++ b/summit-trackchair-app/ui/package-lock.json
@@ -911,9 +911,9 @@
       "integrity": "sha512-bV7f+6l2QigeBBZSM/6yTNq4P2fNpSWj/0e7jQcy87A8e7o2nAfP/34/2ky5Vw4B9S446EtIhodAzkFCcR4dQg=="
     },
     "moment-timezone": {
-      "version": "0.5.23",
-      "resolved": "https://registry.npmjs.org/moment-timezone/-/moment-timezone-0.5.23.tgz",
-      "integrity": "sha512-WHFH85DkCfiNMDX5D3X7hpNH3/PUhjTGcD0U1SgfBGZxJ3qUmJh5FdvaFjcClxOvB3rzdfj4oRffbI38jEnC1w==",
+      "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/summit-trackchair-app/ui/package.json b/summit-trackchair-app/ui/package.json
index a38597f3fa..b3f0f72cb6 100644
--- a/summit-trackchair-app/ui/package.json
+++ b/summit-trackchair-app/ui/package.json
@@ -22,7 +22,7 @@
     "json-loader": "^0.5.4",
     "markdown": "^0.5.0",
     "moment": "^2.11.2",
-    "moment-timezone": "^0.5.3",
+    "moment-timezone": "^0.5.35",
     "object-assign": "^4.0.1",
     "rc-animate": "^2.0.3",
     "rc-tooltip": "^3.3.5",