diff --git a/Gemfile.lock b/Gemfile.lock
index 6a05bfc..7e3b8d3 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -208,7 +208,7 @@ GEM
       timeliness (~> 0.3.7)
     websocket-driver (0.6.5)
       websocket-extensions (>= 0.1.0)
-    websocket-extensions (0.1.3)
+    websocket-extensions (0.1.5)
     xpath (3.0.0)
       nokogiri (~> 1.8)