diff --git a/Gemfile.lock b/Gemfile.lock
index 92b2f2643..01a384baa 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -350,7 +350,7 @@ GEM
       addressable (>= 2.8.0)
       crack (>= 0.3.2)
       hashdiff (>= 0.4.0, < 2.0.0)
-    webrick (1.8.2)
+    webrick (1.9.0)
     websocket (1.2.11)
     websocket-driver (0.7.6)
       websocket-extensions (>= 0.1.0)