diff --git a/yarn.lock b/yarn.lock
index b4213f8..7599b42 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -3306,14 +3306,14 @@ mocha@^3.1.2:
     supports-color "3.1.2"
 
 moment-timezone@^0.5.4:
-  version "0.5.11"
-  resolved "https://registry.yarnpkg.com/moment-timezone/-/moment-timezone-0.5.11.tgz#9b76c03d8ef514c7e4249a7bbce649eed39ef29f"
+  version "0.5.37"
+  resolved "https://registry.yarnpkg.com/moment-timezone/-/moment-timezone-0.5.37.tgz#adf97f719c4e458fdb12e2b4e87b8bec9f4eef1e"
   dependencies:
-    moment ">= 2.6.0"
+    moment ">= 2.9.0"
 
-moment@2.x.x, "moment@>= 2.6.0", moment@^2.13.0:
-  version "2.17.1"
-  resolved "https://registry.yarnpkg.com/moment/-/moment-2.17.1.tgz#fed9506063f36b10f066c8b59a144d7faebe1d82"
+moment@2.x.x, "moment@>= 2.9.0", moment@^2.13.0:
+  version "2.29.4"
+  resolved "https://registry.yarnpkg.com/moment/-/moment-2.29.4.tgz#3dbe052889fe7c1b2ed966fcb3a77328964ef108"
 
 ms@0.7.1:
   version "0.7.1"