diff --git a/Gemfile.lock b/Gemfile.lock
index 2286f51..8093338 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -129,7 +129,7 @@ GEM
     parslet (2.0.0)
     public_suffix (4.0.7)
     racc (1.6.0)
-    rack (2.2.4)
+    rack (2.2.6.2)
     rack-livereload (0.3.17)
       rack
     rb-fsevent (0.11.1)