diff --git a/yarn.lock b/yarn.lock
index 3e4ebdb..754db35 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -55,8 +55,8 @@ css-select@~1.2.0:
     nth-check "~1.0.1"
 
 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"
 
 dom-serializer@0, dom-serializer@~0.1.0:
   version "0.1.0"