diff --git a/lib/jira/http_error.rb b/lib/jira/http_error.rb
index 1612d78e..9733531f 100644
--- a/lib/jira/http_error.rb
+++ b/lib/jira/http_error.rb
@@ -1,4 +1,6 @@
 require 'forwardable'
+require 'active_support/core_ext/object'
+
 module JIRA
   class HTTPError < StandardError
     extend Forwardable