diff --git a/apps/grape/Gemfile.lock b/apps/grape/Gemfile.lock
index 49f0977..39e9fd6 100644
--- a/apps/grape/Gemfile.lock
+++ b/apps/grape/Gemfile.lock
@@ -37,7 +37,7 @@ GEM
       tool (~> 0.2)
     mustermann-grape (0.4.0)
       mustermann (= 0.4.0)
-    rack (2.0.1)
+    rack (3.0.6.1)
     rack-accept (0.4.5)
       rack (>= 0.4)
     thread_safe (0.3.5)