diff --git a/Gemfile.lock b/Gemfile.lock
old mode 100755
new mode 100644
index 0b817e4..d5a1272
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -80,7 +80,7 @@ GEM
     nokogiri (1.9.1)
       mini_portile2 (~> 2.4.0)
     pg (0.21.0)
-    rack (1.6.11)
+    rack (1.6.13)
     rack-test (0.6.3)
       rack (>= 1.0)
     rails (4.2.10)