diff --git a/Gemfile.lock b/Gemfile.lock
index 5f1785f..709635e 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -110,7 +110,7 @@ GEM
       method_source (~> 0.9.0)
     ptools (1.3.5)
     public_suffix (3.0.3)
-    rack (2.0.6)
+    rack (2.2.3)
     rack-livereload (0.3.17)
       rack
     rails-assets-bulma (0.7.2)