diff --git a/7-EOSblog/react-frontend/yarn.lock b/7-EOSblog/react-frontend/yarn.lock
index c5a06d0..e3a987d 100644
--- a/7-EOSblog/react-frontend/yarn.lock
+++ b/7-EOSblog/react-frontend/yarn.lock
@@ -1923,8 +1923,8 @@ css-selector-tokenizer@^0.7.0:
     regexpu-core "^1.0.0"
 
 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"
 
 cssesc@^0.1.0:
   version "0.1.0"