diff --git a/Gemfile.lock b/Gemfile.lock
index 5e21aaf..6ab10c5 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -323,7 +323,7 @@ GEM
       raindrops (~> 0.7)
     websocket-driver (0.6.5)
       websocket-extensions (>= 0.1.0)
-    websocket-extensions (0.1.3)
+    websocket-extensions (0.1.4)
     xpath (3.2.0)
       nokogiri (~> 1.8)