diff --git a/package.json b/package.json
index 3eda7b4..ed21fe4 100644
--- a/package.json
+++ b/package.json
@@ -86,7 +86,7 @@
     "method-override": "^3.0.0",
     "moment": "^2.19.3",
     "moment-range": "2.2.0",
-    "moment-timezone": "^0.5.23",
+    "moment-timezone": "^0.5.35",
     "mongodb": "^2.2.11",
     "mongoose": "4.6.5",
     "mongoose-reverse-populate": "1.1.0",
diff --git a/yarn.lock b/yarn.lock
index 7a7c9ee..7c66f58 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -2930,7 +2930,7 @@ etag@~1.7.0:
 
 event-stream@^3.1.7, event-stream@~3.3.0:
   version "3.3.4"
-  resolved "http://registry.npmjs.org/event-stream/-/event-stream-3.3.4.tgz#4ab4c9a0f5a54db9338b4c34d86bfce8f4b35571"
+  resolved "https://registry.npmjs.org/event-stream/-/event-stream-3.3.4.tgz#4ab4c9a0f5a54db9338b4c34d86bfce8f4b35571"
   dependencies:
     duplexer "~0.1.1"
     from "~0"
@@ -5537,9 +5537,10 @@ moment-range@2.2.0:
   version "2.2.0"
   resolved "https://registry.yarnpkg.com/moment-range/-/moment-range-2.2.0.tgz#b02575778a4ac50a65777939f5c5d757f83fcd85"
 
-moment-timezone@^0.5.23:
-  version "0.5.23"
-  resolved "https://registry.yarnpkg.com/moment-timezone/-/moment-timezone-0.5.23.tgz#7cbb00db2c14c71b19303cb47b0fb0a6d8651463"
+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 ">= 2.9.0"