diff --git a/Gemfile.lock b/Gemfile.lock
index a4009a5..9007862 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -193,7 +193,7 @@ GEM
       concurrent-ruby (~> 1.0)
     uri (1.1.1)
     useragent (0.16.11)
-    websocket-driver (0.8.0)
+    websocket-driver (0.8.1)
       base64
       websocket-extensions (>= 0.1.0)
     websocket-extensions (0.1.5)