diff --git a/yarn.lock b/yarn.lock
index 98d9a7e..1664667 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -2588,9 +2588,9 @@ css-url-regex@^1.1.0:
   integrity sha1-g4NCMMyfdMRX3lnuvRVD/uuDt+w=
 
 css-what@2.1:
-  version "2.1.0"
-  resolved "https://registry.yarnpkg.com/css-what/-/css-what-2.1.0.tgz#9467d032c38cfaefb9f2d79501253062f87fa1bd"
-  integrity sha1-lGfQMsOM+u+58teVASUwYvh/ob0=
+  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@^1.0.1:
   version "1.0.1"