diff --git a/lib/bundler/plugin.rb b/lib/bundler/plugin.rb
index 8fb41193237..e700ae71f1b 100644
--- a/lib/bundler/plugin.rb
+++ b/lib/bundler/plugin.rb
@@ -1,8 +1,8 @@
 # frozen_string_literal: true
+require "bundler/plugin/api"
 
 module Bundler
   module Plugin
-    autoload :API,        "bundler/plugin/api"
     autoload :DSL,        "bundler/plugin/dsl"
     autoload :Index,      "bundler/plugin/index"
     autoload :Installer,  "bundler/plugin/installer"
diff --git a/lib/bundler/plugin/api.rb b/lib/bundler/plugin/api.rb
index 5bd8792e55b..bd7cef5382b 100644
--- a/lib/bundler/plugin/api.rb
+++ b/lib/bundler/plugin/api.rb
@@ -1,4 +1,5 @@
 # frozen_string_literal: true
+require "bundler/plugin/api/source"
 
 module Bundler
   # This is the interfacing class represents the API that we intend to provide
@@ -23,7 +24,6 @@ module Bundler
   # and hooks).
   module Plugin
     class API
-      autoload :Source, "bundler/plugin/api/source"
       # The plugins should declare that they handle a command through this helper.
       #
       # @param [String] command being handled by them