diff --git a/Gemfile.lock b/Gemfile.lock
index 16adf02..5d1be5e 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -431,7 +431,7 @@ GEM
       crack (>= 0.3.2)
       hashdiff (>= 0.4.0, < 2.0.0)
     webrick (1.9.1)
-    websocket-driver (0.8.0)
+    websocket-driver (0.8.1)
       base64
       websocket-extensions (>= 0.1.0)
     websocket-extensions (0.1.5)