diff --git a/lib/instance_agent/plugins/codedeploy/hook_executor.rb b/lib/instance_agent/plugins/codedeploy/hook_executor.rb
index 6674b090..631747f4 100644
--- a/lib/instance_agent/plugins/codedeploy/hook_executor.rb
+++ b/lib/instance_agent/plugins/codedeploy/hook_executor.rb
@@ -4,7 +4,7 @@
 require 'fileutils'
 
 require 'instance_agent/plugins/codedeploy/application_specification/application_specification'
-
+require 'instance_agent/platform/thread_joiner'
 module InstanceAgent
   module Plugins
     module CodeDeployPlugin