diff --git a/Gemfile.lock b/Gemfile.lock
index 97ed55e..ccfea70 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -184,7 +184,7 @@ GEM
     parslet (2.0.0)
     public_suffix (4.0.6)
     racc (1.6.0)
-    rack (2.2.3)
+    rack (2.2.6.3)
     rack-livereload (0.3.17)
       rack
     rake (13.0.6)