diff --git a/Gemfile.lock b/Gemfile.lock
index 254f817..a8f8959 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -383,7 +383,7 @@ GEM
       execjs (>= 0.3.0, < 3)
     websocket-driver (0.7.0)
       websocket-extensions (>= 0.1.0)
-    websocket-extensions (0.1.3)
+    websocket-extensions (0.1.5)
     xpath (3.1.0)
       nokogiri (~> 1.8)
     yard (0.9.20)