diff --git a/2018-02/ultimate-react-component-patterns/yarn.lock b/2018-02/ultimate-react-component-patterns/yarn.lock
index e9f43f4..9929c7c 100644
--- a/2018-02/ultimate-react-component-patterns/yarn.lock
+++ b/2018-02/ultimate-react-component-patterns/yarn.lock
@@ -138,8 +138,8 @@ typescript@2.8.1:
   resolved "https://registry.yarnpkg.com/typescript/-/typescript-2.8.1.tgz#6160e4f8f195d5ba81d4876f9c0cc1fbc0820624"
 
 ua-parser-js@^0.7.9:
-  version "0.7.17"
-  resolved "https://registry.yarnpkg.com/ua-parser-js/-/ua-parser-js-0.7.17.tgz#e9ec5f9498b9ec910e7ae3ac626a805c4d09ecac"
+  version "0.7.28"
+  resolved "https://registry.yarnpkg.com/ua-parser-js/-/ua-parser-js-0.7.28.tgz#8ba04e653f35ce210239c64661685bf9121dec31"
 
 whatwg-fetch@>=0.10.0:
   version "2.0.3"