diff --git a/yarn.lock b/yarn.lock
index 9df7e1a..8c0e4bc 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -3146,8 +3146,8 @@ lodash@^3.10.1, lodash@^3.5.0, lodash@^3.8.0:
   resolved "https://registry.yarnpkg.com/lodash/-/lodash-3.10.1.tgz#5bf45e8e49ba4189e17d482789dfd15bd140b7b6"
 
 lodash@^4.0.0, lodash@^4.13.1, lodash@^4.17.10, lodash@^4.17.4, lodash@^4.3.0, lodash@^4.8.0, lodash@~4.17.10:
-  version "4.17.19"
-  resolved "https://registry.yarnpkg.com/lodash/-/lodash-4.17.19.tgz#e48ddedbe30b3321783c5b4301fbd353bc1e4a4b"
+  version "4.17.21"
+  resolved "https://registry.yarnpkg.com/lodash/-/lodash-4.17.21.tgz#679591c564c3bffaae8454cf0b3df370c3d6911c"
 
 lodash@~1.0.1:
   version "1.0.2"