diff --git a/slate/Gemfile.lock b/slate/Gemfile.lock
index 698249037..d7dd1c7ec 100644
--- a/slate/Gemfile.lock
+++ b/slate/Gemfile.lock
@@ -114,7 +114,7 @@ GEM
     parslet (1.8.2)
     public_suffix (4.0.6)
     racc (1.5.2)
-    rack (2.2.3)
+    rack (2.2.8.1)
     rack-livereload (0.3.17)
       rack
     rb-fsevent (0.10.4)