diff --git a/chatapp/yarn.lock b/chatapp/yarn.lock
index 598c96a..16e27a8 100644
--- a/chatapp/yarn.lock
+++ b/chatapp/yarn.lock
@@ -6660,13 +6660,9 @@ typedarray@^0.0.6:
   version "0.0.6"
   resolved "https://registry.yarnpkg.com/typedarray/-/typedarray-0.0.6.tgz#867ac74e3864187b1d3d47d996a78ec5c8830777"
 
-ua-parser-js@^0.7.18:
-  version "0.7.23"
-  resolved "https://registry.yarnpkg.com/ua-parser-js/-/ua-parser-js-0.7.23.tgz#704d67f951e13195fbcd3d78818577f5bc1d547b"
-
-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"
+ua-parser-js@^0.7.18, ua-parser-js@^0.7.9:
+  version "0.7.28"
+  resolved "https://registry.yarnpkg.com/ua-parser-js/-/ua-parser-js-0.7.28.tgz#8ba04e653f35ce210239c64661685bf9121dec31"
 
 uglify-js@3.1.x, uglify-js@^3.0.13:
   version "3.1.5"