diff --git a/assets/service_broker/Gemfile.lock b/assets/service_broker/Gemfile.lock
index 9f8a2a802..ba815e9f7 100644
--- a/assets/service_broker/Gemfile.lock
+++ b/assets/service_broker/Gemfile.lock
@@ -39,7 +39,7 @@ GEM
       rack-session (>= 2.0.0, < 3)
       tilt (~> 2.0)
     tilt (2.3.0)
-    webrick (1.8.2)
+    webrick (1.9.1)
 
 PLATFORMS
   ruby
diff --git a/assets/service_broker/vendor/cache/webrick-1.8.2.gem b/assets/service_broker/vendor/cache/webrick-1.8.2.gem
deleted file mode 100644
index 12083ecfb..000000000
Binary files a/assets/service_broker/vendor/cache/webrick-1.8.2.gem and /dev/null differ
diff --git a/assets/service_broker/vendor/cache/webrick-1.9.1.gem b/assets/service_broker/vendor/cache/webrick-1.9.1.gem
new file mode 100644
index 000000000..717823612
Binary files /dev/null and b/assets/service_broker/vendor/cache/webrick-1.9.1.gem differ