diff --git a/Gemfile.lock b/Gemfile.lock
old mode 100755
new mode 100644
index f655a37..16c48dc
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -3,7 +3,7 @@ GEM
   specs:
     diff-lcs (1.2.5)
     mustermann (1.0.3)
-    rack (2.0.8)
+    rack (2.2.3)
     rack-protection (2.0.7)
       rack
     rspec (2.14.1)