diff --git a/Gemfile.lock b/Gemfile.lock
index ef0ef45..8ff50d3 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -203,7 +203,7 @@ GEM
       slop (~> 3.4)
     pry-rails (0.3.4)
       pry (>= 0.9.10)
-    rack (1.6.5)
+    rack (1.6.13)
     rack-test (0.6.3)
       rack (>= 1.0)
     rack-timeout (0.2.4)