diff --git a/Gemfile.lock b/Gemfile.lock
index b9c3884..46c5777 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -35,7 +35,7 @@ GEM
     pathological (0.3.0)
     pony (1.13.1)
       mail (>= 2.0)
-    rack (2.2.4)
+    rack (2.2.6.4)
     rack-protection (2.2.3)
       rack
     rake (13.0.6)