diff --git a/Gemfile.lock b/Gemfile.lock
index 3b70863..bdaf352 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -201,7 +201,7 @@ GEM
       coderay (~> 1.1)
       method_source (~> 1.0)
     racc (1.6.0)
-    rack (2.2.3)
+    rack (2.2.6.3)
     rack-livereload (0.3.17)
       rack
     rack-protection (2.1.0)