diff --git a/package.json b/package.json
index 1d9be63..519b79c 100644
--- a/package.json
+++ b/package.json
@@ -37,7 +37,7 @@
     "hammerjs": "^2.0.4",
     "history": "^1.13.1",
     "moment": "^2.15.1",
-    "moment-timezone": "^0.5.6",
+    "moment-timezone": "^0.5.35",
     "ramda": "^0.19.0",
     "raven-js": "^2.3.0",
     "react": "^0.14.0",
diff --git a/yarn.lock b/yarn.lock
index a2e0b5e..d924b20 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -2831,15 +2831,17 @@ minimist@~0.0.1:
   dependencies:
     minimist "0.0.8"
 
-moment-timezone@^0.5.6:
-  version "0.5.6"
-  resolved "https://registry.yarnpkg.com/moment-timezone/-/moment-timezone-0.5.6.tgz#8dcf7bb648d5dcd0f387d6bfd8f3dd9bbba16a86"
+moment-timezone@^0.5.35:
+  version "0.5.35"
+  resolved "https://registry.yarnpkg.com/moment-timezone/-/moment-timezone-0.5.35.tgz#6fa2631bdbe8ff04f6b8753f7199516be6dc9839"
+  integrity sha512-cY/pBOEXepQvlgli06ttCTKcIf8cD1nmNwOKQQAdHBqYApQSpAqotBMX0RJZNgMp6i0PlZuf1mFtnlyEkwyvFw==
   dependencies:
-    moment ">= 2.6.0"
+    moment ">= 2.9.0"
 
-"moment@>= 2.6.0", "moment@>=2.11.2 <3", moment@^2.15.1:
-  version "2.15.1"
-  resolved "https://registry.yarnpkg.com/moment/-/moment-2.15.1.tgz#e979c2a29e22888e60f396f2220a6118f85cd94c"
+"moment@>= 2.9.0", "moment@>=2.11.2 <3", moment@^2.15.1:
+  version "2.29.4"
+  resolved "https://registry.yarnpkg.com/moment/-/moment-2.29.4.tgz#3dbe052889fe7c1b2ed966fcb3a77328964ef108"
+  integrity sha512-5LC9SOxjSc2HF6vO2CyuTDNivEdoz2IvyJJGj6X8DJ0eFyfszE0QiEd+iXmBvUP3WHxSjFH/vIsA0EN00cgr8w==
 
 ms@0.7.1:
   version "0.7.1"