diff --git a/lib/httparty.rb b/lib/httparty.rb
index <HASH>..<HASH> 100644
--- a/lib/httparty.rb
+++ b/lib/httparty.rb
@@ -6,6 +6,7 @@ require 'zlib'
 require 'multi_xml'
 require 'json'
 require 'csv'
+require 'erb'
 
 require 'httparty/module_inheritable_attributes'
 require 'httparty/cookie_hash'
Require ERB to prevent errors in HashConversions

(and, possibly, elsewhere)