diff --git a/Gemfile.lock b/Gemfile.lock
index ec893d0..71d1076 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -139,7 +139,7 @@ GEM
       activerecord (>= 3.0)
     pundit (1.1.0)
       activesupport (>= 3.0.0)
-    rack (1.6.4)
+    rack (1.6.12)
     rack-protection (1.5.3)
       rack
     rack-test (0.6.3)