diff --git a/Gemfile.lock b/Gemfile.lock
index 9124332..c9165a0 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -312,7 +312,7 @@ GEM
       json
       websocket (~> 1.0)
     racc (1.7.3)
-    rack (2.2.7)
+    rack (2.2.8.1)
     rack-protection (3.0.5)
       rack
     rack-test (2.1.0)