diff --git a/Gemfile.lock b/Gemfile.lock
index f1d6695..b989e42 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -80,7 +80,7 @@ GEM
     netrc (0.11.0)
     open4 (1.3.4)
     parslet (2.0.0)
-    rack (2.2.3)
+    rack (3.0.7)
     redcarpet (3.5.1)
     rouge (2.0.7)
     ruby-macho (1.4.0)