diff --git a/Gemfile.lock b/Gemfile.lock
index 5b75681..1de470a 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -29,7 +29,7 @@ GEM
       rack (>= 1.6.2, < 3)
       rack-protection
     public_suffix (4.0.6)
-    rack (2.2.3)
+    rack (2.2.6.2)
     rack-openid (1.4.2)
       rack (>= 1.1.0)
       ruby-openid (>= 2.1.8)