diff --git a/yarn.lock b/yarn.lock
index 021909b..dd4d7c5 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -994,9 +994,9 @@ lodash.values@~2.3.0:
     lodash.keys "~2.3.0"
 
 lodash@^4.17.4, lodash@^4.3.0:
-  version "4.17.4"
-  resolved "https://registry.npmjs.org/lodash/-/lodash-4.17.4.tgz"
-  integrity sha1-eCA6TRwyiuHYbcpkYONptX9AVa4=
+  version "4.17.21"
+  resolved "https://registry.yarnpkg.com/lodash/-/lodash-4.17.21.tgz#679591c564c3bffaae8454cf0b3df370c3d6911c"
+  integrity sha512-v2kDEe57lecTulaDIuNTPy3Ry4gLGJ6Z1O3vE1krgXZNrsQ+LFTGHVxVjcXPs17LhbZVGedAJv8XZ1tvj5FvSg==
 
 lolex@1.3.2:
   version "1.3.2"