diff --git a/Gemfile.lock b/Gemfile.lock
index 2f95569..5e5e506 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -334,7 +334,7 @@ GEM
       websocket-extensions (>= 0.1.0)
     websocket-driver (0.7.0-java)
       websocket-extensions (>= 0.1.0)
-    websocket-extensions (0.1.3)
+    websocket-extensions (0.1.5)
     xpath (3.2.0)
       nokogiri (~> 1.8)