diff --git a/packages/graphql-playground-react/yarn.lock b/packages/graphql-playground-react/yarn.lock
index 019192ff6..afb6a9f0f 100644
--- a/packages/graphql-playground-react/yarn.lock
+++ b/packages/graphql-playground-react/yarn.lock
@@ -1566,7 +1566,7 @@ chalk@2.1.0:
     escape-string-regexp "^1.0.5"
     supports-color "^4.0.0"
 
-chalk@2.4.1, chalk@^2.0.0, chalk@^2.0.1, chalk@^2.1.0, chalk@^2.3.0:
+chalk@2.4.1:
   version "2.4.1"
   resolved "https://registry.yarnpkg.com/chalk/-/chalk-2.4.1.tgz#18c49ab16a037b6eb0152cc83e3471338215b66e"
   dependencies:
@@ -1590,7 +1590,7 @@ chalk@^2.4.1:
     ansi-styles "^3.2.1"
     escape-string-regexp "^1.0.5"
     supports-color "^5.3.0"
-    
+
 chardet@^0.4.0:
   version "0.4.2"
   resolved "https://registry.yarnpkg.com/chardet/-/chardet-0.4.2.tgz#b5473b33dc97c424e5d98dc87d55d4d8a29c8bf2"
@@ -2119,8 +2119,9 @@ css-to-react-native@^2.2.2:
     postcss-value-parser "^3.3.0"
 
 css-what@2.1:
-  version "2.1.0"
-  resolved "https://registry.yarnpkg.com/css-what/-/css-what-2.1.0.tgz#9467d032c38cfaefb9f2d79501253062f87fa1bd"
+  version "2.1.3"
+  resolved "https://registry.yarnpkg.com/css-what/-/css-what-2.1.3.tgz#a6d7604573365fe74686c3f311c56513d88285f2"
+  integrity sha512-a+EPoD+uZiNfh+5fxw2nO9QwFa6nJe2Or35fGY6Ipw1R3R4AGz1d1TEZrCegvw2YTmZ0jXirGYlzxxpYSHwpEg==
 
 cssesc@^0.1.0:
   version "0.1.0"