diff --git a/Gemfile.lock b/Gemfile.lock
index 40716a8..e3751b5 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -65,7 +65,7 @@ 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
     rake (13.0.6)