diff --git a/slate/Gemfile.lock b/slate/Gemfile.lock
index 3ba94db..0f17694 100644
--- a/slate/Gemfile.lock
+++ b/slate/Gemfile.lock
@@ -101,7 +101,7 @@ GEM
       activesupport (>= 3.1)
     parallel (1.10.0)
     public_suffix (2.0.5)
-    rack (2.0.5)
+    rack (2.0.8)
     rack-livereload (0.3.17)
       rack
     rb-fsevent (0.9.8)