diff --git a/yarn.lock b/yarn.lock
index 6fc76a7..1e9b79e 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -192,10 +192,10 @@ async-foreach@^0.1.3:
   resolved "https://registry.yarnpkg.com/async-foreach/-/async-foreach-0.1.3.tgz#36121f845c0578172de419a97dbeb1d16ec34542"
 
 async@^2.1.2, async@^2.1.5:
-  version "2.4.1"
-  resolved "https://registry.yarnpkg.com/async/-/async-2.4.1.tgz#62a56b279c98a11d0987096a01cc3eeb8eb7bbd7"
+  version "2.6.4"
+  resolved "https://registry.yarnpkg.com/async/-/async-2.6.4.tgz#706b7ff6084664cd7eae713f6f965433b5504221"
   dependencies:
-    lodash "^4.14.0"
+    lodash "^4.17.14"
 
 asynckit@^0.4.0:
   version "0.4.0"
@@ -2831,9 +2831,9 @@ lodash.uniq@^4.5.0:
   version "4.5.0"
   resolved "https://registry.yarnpkg.com/lodash.uniq/-/lodash.uniq-4.5.0.tgz#d0225373aeb652adc1bc82e4945339a842754773"
 
-lodash@^4.0.0, lodash@^4.14.0, lodash@^4.17.15, lodash@^4.17.3, lodash@^4.2.0, lodash@^4.3.0, lodash@^4.6.1:
-  version "4.17.20"
-  resolved "https://registry.yarnpkg.com/lodash/-/lodash-4.17.20.tgz#b44a9b6297bcb698f1c51a3545a2b3b368d59c52"
+lodash@^4.0.0, lodash@^4.17.14, lodash@^4.17.15, lodash@^4.17.3, lodash@^4.2.0, lodash@^4.3.0, lodash@^4.6.1:
+  version "4.17.21"
+  resolved "https://registry.yarnpkg.com/lodash/-/lodash-4.17.21.tgz#679591c564c3bffaae8454cf0b3df370c3d6911c"
 
 lodash@~4.16.4:
   version "4.16.6"