diff --git a/Gemfile.lock b/Gemfile.lock
index 29db749..41a55e3 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -109,7 +109,7 @@ GEM
     parslet (2.0.0)
     prism (1.7.0)
     public_suffix (7.0.0)
-    rack (3.1.19)
+    rack (3.1.20)
     rack-livereload (0.6.1)
       rack (>= 3.0, < 3.2)
     rackup (2.3.1)