diff --git a/apps/camping/Gemfile.lock b/apps/camping/Gemfile.lock
index f9b69fa..5dc0868 100644
--- a/apps/camping/Gemfile.lock
+++ b/apps/camping/Gemfile.lock
@@ -5,7 +5,7 @@ GEM
       mab (>= 0.0.3)
       rack (>= 1.0)
     mab (0.0.3)
-    rack (2.0.1)
+    rack (3.0.4.1)
 
 PLATFORMS
   ruby