diff --git a/app/models/site/deploy_dependencies.rb b/app/models/site/deploy_dependencies.rb
index 472bbdf2..b807f0e8 100644
--- a/app/models/site/deploy_dependencies.rb
+++ b/app/models/site/deploy_dependencies.rb
@@ -1,7 +1,6 @@
 # frozen_string_literal: true
 
-require 'rgl/adjacent'
-require 'rgl/topsort'
+require 'rgl/adjacency'
 
 class Site
   module DeployDependencies