diff --git a/Gemfile.lock b/Gemfile.lock
index 1ac7e153..35770f6d 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -412,7 +412,7 @@ GEM
     puma (6.6.0)
       nio4r (~> 2.0)
     racc (1.8.1)
-    rack (2.2.13)
+    rack (2.2.18)
     rack-openid (1.4.2)
       rack (>= 1.1.0)
       ruby-openid (>= 2.1.8)