diff --git a/yarn.lock b/yarn.lock
index 29c40972..b48bb3d9 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -9143,13 +9143,9 @@ typescript@^2.5.3:
   version "2.5.3"
   resolved "https://registry.yarnpkg.com/typescript/-/typescript-2.5.3.tgz#df3dcdc38f3beb800d4bc322646b04a3f6ca7f0d"
 
-ua-parser-js@^0.7.18:
-  version "0.7.20"
-  resolved "https://registry.yarnpkg.com/ua-parser-js/-/ua-parser-js-0.7.20.tgz#7527178b82f6a62a0f243d1f94fd30e3e3c21098"
-
-ua-parser-js@^0.7.9:
-  version "0.7.14"
-  resolved "https://registry.yarnpkg.com/ua-parser-js/-/ua-parser-js-0.7.14.tgz#110d53fa4c3f326c121292bbeac904d2e03387ca"
+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:
   version "3.1.3"