diff --git a/Gemfile.lock b/Gemfile.lock
index 88a3a57..505fa40 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -91,7 +91,7 @@ GEM
     parslet (2.0.0)
     prettier_print (1.2.1)
     public_suffix (5.0.1)
-    rack (2.2.7)
+    rack (2.2.8.1)
     rack-livereload (0.3.17)
       rack
     rb-fsevent (0.11.2)