diff --git a/slate/Gemfile.lock b/slate/Gemfile.lock
index 7dad9009..27f0b35c 100644
--- a/slate/Gemfile.lock
+++ b/slate/Gemfile.lock
@@ -96,7 +96,7 @@ GEM
       activesupport (>= 3.1)
     parallel (1.11.1)
     public_suffix (2.0.5)
-    rack (2.0.1)
+    rack (2.0.8)
     rack-livereload (0.3.16)
       rack
     rb-fsevent (0.9.8)