diff --git a/mono/src/yarn.lock b/mono/src/yarn.lock
index 10e0faee..e20656f6 100644
--- a/mono/src/yarn.lock
+++ b/mono/src/yarn.lock
@@ -3929,8 +3929,8 @@ typescript@<2.4.0:
   resolved "https://registry.yarnpkg.com/typescript/-/typescript-2.3.4.tgz#3d38321828231e434f287514959c37a82b629f42"
 
 ua-parser-js@^0.7.9:
-  version "0.7.13"
-  resolved "https://registry.yarnpkg.com/ua-parser-js/-/ua-parser-js-0.7.13.tgz#cd9dd2f86493b3f44dbeeef3780fda74c5ee14be"
+  version "0.7.33"
+  resolved "https://registry.yarnpkg.com/ua-parser-js/-/ua-parser-js-0.7.33.tgz#1d04acb4ccef9293df6f70f2c3d22f3030d8b532"
 
 uglify-js@^2.6, uglify-js@^2.8.29:
   version "2.8.29"