diff --git a/collections/test/Gemfile.lock b/collections/test/Gemfile.lock
old mode 100755
new mode 100644
index c426c3d..14093a6
--- a/collections/test/Gemfile.lock
+++ b/collections/test/Gemfile.lock
@@ -47,7 +47,7 @@ GEM
       coderay (~> 1.1.0)
       method_source (~> 0.8.1)
       slop (~> 3.4)
-    rack (1.6.4)
+    rack (2.0.8)
     rack-test (0.6.3)
       rack (>= 1.0)
     rspec (3.4.0)