diff --git a/assets/service_broker/Gemfile.lock b/assets/service_broker/Gemfile.lock
index c38b29ae5..ccb810342 100644
--- a/assets/service_broker/Gemfile.lock
+++ b/assets/service_broker/Gemfile.lock
@@ -41,7 +41,7 @@ GEM
       rack-session (>= 2.0.0, < 3)
       tilt (~> 2.0)
     tilt (2.4.0)
-    webrick (1.9.0)
+    webrick (1.9.1)
 
 PLATFORMS
   ruby
diff --git a/assets/service_broker/vendor/cache/webrick-1.9.0.gem b/assets/service_broker/vendor/cache/webrick-1.9.0.gem
deleted file mode 100644
index 66e272ba3..000000000
Binary files a/assets/service_broker/vendor/cache/webrick-1.9.0.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