diff --git a/lib/converter.js b/lib/converter.js
index <HASH>..<HASH> 100644
--- a/lib/converter.js
+++ b/lib/converter.js
@@ -57,8 +57,10 @@ module.exports = {
      * @note this form of loading is most likely not browser friendly, find browser alternative
      */
     converters: {
-        'converter-v1-to-v2': require('./converters/converter-v1-to-v2'),
-        'converter-v2-to-v1': require('./converters/converter-v2-to-v1')
+        'converter-v1-to-v2': require('./converters/v1.0.0/converter-v1-to-v2'),
+        'converter-v1-to-v21': require('./converters/v1.0.0/converter-v1-to-v21'),
+        'converter-v2-to-v1': require('./converters/v2.0.0/converter-v2-to-v1'),
+        'converter-v21-to-v1': require('./converters/v2.1.0/converter-v21-to-v1')
     },
 
     /**
Added module entry for new <I> converters