diff --git a/client/package.json b/client/package.json
index 126183f5f..d8a76717d 100644
--- a/client/package.json
+++ b/client/package.json
@@ -27,7 +27,7 @@
     "lcp": "1.1.0",
     "lodash": "4.17.4",
     "materialize-css": "0.98.1",
-    "moment": "2.19.1",
+    "moment": "2.21.0",
     "page": "1.7.1",
     "prop-types": "15.6.0",
     "rc-slider": "8.3.2",
diff --git a/client/yarn.lock b/client/yarn.lock
index 5d35f4f22..c98e71cc3 100644
--- a/client/yarn.lock
+++ b/client/yarn.lock
@@ -4266,9 +4266,9 @@ mockdate@2.0.2:
   version "2.0.2"
   resolved "https://registry.yarnpkg.com/mockdate/-/mockdate-2.0.2.tgz#5ae0c0eaf8fe23e009cd01f9889b42c4f634af12"
 
-moment@2.19.1:
-  version "2.19.1"
-  resolved "https://registry.yarnpkg.com/moment/-/moment-2.19.1.tgz#56da1a2d1cbf01d38b7e1afc31c10bcfa1929167"
+moment@2.21.0:
+  version "2.21.0"
+  resolved "https://registry.yarnpkg.com/moment/-/moment-2.21.0.tgz#2a114b51d2a6ec9e6d83cf803f838a878d8a023a"
 
 ms@0.7.2:
   version "0.7.2"