diff --git a/ruby/sinatra/Gemfile.lock b/ruby/sinatra/Gemfile.lock
index bc988aa..6cbc8fe 100644
--- a/ruby/sinatra/Gemfile.lock
+++ b/ruby/sinatra/Gemfile.lock
@@ -142,7 +142,7 @@ GEM
     unicode-display_width (1.6.0)
     websocket-driver (0.7.1)
       websocket-extensions (>= 0.1.0)
-    websocket-extensions (0.1.4)
+    websocket-extensions (0.1.5)
     zeitwerk (2.3.0)
 
 PLATFORMS