diff --git a/yarn.lock b/yarn.lock
index d3dc48b..24fdcee 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -275,10 +275,10 @@ async-foreach@^0.1.3:
   resolved "https://registry.yarnpkg.com/async-foreach/-/async-foreach-0.1.3.tgz#36121f845c0578172de419a97dbeb1d16ec34542"
 
 async@^2.1.2:
-  version "2.6.1"
-  resolved "https://registry.yarnpkg.com/async/-/async-2.6.1.tgz#b245a23ca71930044ec53fa46aa00a3e87c6a610"
+  version "2.6.4"
+  resolved "https://registry.yarnpkg.com/async/-/async-2.6.4.tgz#706b7ff6084664cd7eae713f6f965433b5504221"
   dependencies:
-    lodash "^4.17.10"
+    lodash "^4.17.14"
 
 asynckit@^0.4.0:
   version "0.4.0"
@@ -3423,9 +3423,9 @@ lodash@4.17.4:
   version "4.17.4"
   resolved "https://registry.yarnpkg.com/lodash/-/lodash-4.17.4.tgz#78203a4d1c328ae1d86dca6460e369b57f4055ae"
 
-lodash@^4.0.0, lodash@^4.17.10, lodash@^4.17.4, lodash@^4.3.0, lodash@~4.17.10:
-  version "4.17.11"
-  resolved "https://registry.yarnpkg.com/lodash/-/lodash-4.17.11.tgz#b39ea6229ef607ecd89e2c8df12536891cac9b8d"
+lodash@^4.0.0, lodash@^4.17.14, lodash@^4.17.4, lodash@^4.3.0, lodash@~4.17.10:
+  version "4.17.21"
+  resolved "https://registry.yarnpkg.com/lodash/-/lodash-4.17.21.tgz#679591c564c3bffaae8454cf0b3df370c3d6911c"
 
 longest@^1.0.1:
   version "1.0.1"