diff --git a/Gemfile.lock b/Gemfile.lock
index a5bde93..bab75cf 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -59,7 +59,7 @@ GEM
     nokogiri (1.5.11)
     purdytest (2.0.0)
       minitest (~> 5.5)
-    rack (1.6.1)
+    rack (1.6.2)
     rack-protection (1.5.3)
       rack
     rack-test (0.6.3)