diff --git a/Gemfile.lock b/Gemfile.lock
old mode 100755
new mode 100644
index 851b120..77929e4
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -118,7 +118,7 @@ GEM
       pkg-config (~> 1.1.7)
     pg (0.18.4)
     pkg-config (1.1.7)
-    rack (2.0.1)
+    rack (2.2.2)
     rack-cors (0.4.0)
     rack-test (0.6.3)
       rack (>= 1.0)