diff --git a/Gemfile.lock b/Gemfile.lock
index 996fc318..399936da 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -752,7 +752,7 @@ GEM
       multi_json (~> 1.0)
       pusher-signature (~> 0.1.8)
     pusher-signature (0.1.8)
-    rack (2.0.8)
+    rack (2.2.3)
     rack-protection (2.0.4)
       rack
     rack-ssl (1.4.1)