diff --git a/yarn.lock b/yarn.lock
index 50fec6c..6d1cf5c 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -414,17 +414,11 @@ async-retry@1.1.3:
   dependencies:
     retry "0.10.1"
 
-async@^2.1.2:
-  version "2.5.0"
-  resolved "https://registry.yarnpkg.com/async/-/async-2.5.0.tgz#843190fd6b7357a0b9e1c956edddd5ec8462b54d"
+async@^2.1.2, async@^2.1.4:
+  version "2.6.4"
+  resolved "https://registry.yarnpkg.com/async/-/async-2.6.4.tgz#706b7ff6084664cd7eae713f6f965433b5504221"
   dependencies:
-    lodash "^4.14.0"
-
-async@^2.1.4:
-  version "2.1.5"
-  resolved "https://registry.yarnpkg.com/async/-/async-2.1.5.tgz#e587c68580994ac67fc56ff86d3ac56bdbe810bc"
-  dependencies:
-    lodash "^4.14.0"
+    lodash "^4.17.14"
 
 asynckit@^0.4.0:
   version "0.4.0"
@@ -4213,9 +4207,9 @@ 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.x.x, lodash@^4.0.0, lodash@^4.13.1, lodash@^4.14.0, lodash@^4.17.4, lodash@^4.2.0, lodash@^4.2.1, lodash@^4.3.0:
-  version "4.17.4"
-  resolved "https://registry.yarnpkg.com/lodash/-/lodash-4.17.4.tgz#78203a4d1c328ae1d86dca6460e369b57f4055ae"
+lodash@4.x.x, lodash@^4.0.0, lodash@^4.13.1, lodash@^4.17.14, lodash@^4.17.4, lodash@^4.2.0, lodash@^4.2.1, lodash@^4.3.0:
+  version "4.17.21"
+  resolved "https://registry.yarnpkg.com/lodash/-/lodash-4.17.21.tgz#679591c564c3bffaae8454cf0b3df370c3d6911c"
 
 lodash@^3.10.1:
   version "3.10.1"