diff --git a/Gemfile.lock b/Gemfile.lock
index d406d68..c1b6aa9 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -234,7 +234,7 @@ GEM
     pathutil (0.16.2)
       forwardable-extended (~> 2.6)
     public_suffix (2.0.5)
-    rack (1.6.11)
+    rack (1.6.12)
     rack-test (0.6.3)
       rack (>= 1.0)
     rails-deprecated_sanitizer (1.0.3)