diff --git a/example/yarn.lock b/example/yarn.lock
index 40b56d7..d30236c 100644
--- a/example/yarn.lock
+++ b/example/yarn.lock
@@ -102,9 +102,9 @@ css-select@~1.2.0:
     nth-check "~1.0.1"
 
 css-what@2.1:
-  version "2.1.0"
-  resolved "https://registry.npmjs.org/css-what/-/css-what-2.1.0.tgz"
-  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==
 
 dom-serializer@0, dom-serializer@~0.1.0:
   version "0.1.0"