diff --git a/Gemfile.lock b/Gemfile.lock
index 8321d42..bb6ab20 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -235,7 +235,7 @@ GEM
       execjs (>= 0.3.0, < 3)
     uri (1.1.1)
     webrick (1.9.2)
-    websocket-driver (0.8.0)
+    websocket-driver (0.8.1)
       base64
       websocket-extensions (>= 0.1.0)
     websocket-extensions (0.1.5)