diff --git a/index.js b/index.js
index b9c6fcf1..ac159790 100644
--- a/index.js
+++ b/index.js
@@ -1,6 +1,10 @@
 var select = require("xpath").select;
 
 module.exports = require("./lib/signed-xml");
+module.exports.C14nCanonicalization = require("./lib/c14n-canonicalization").C14nCanonicalization;
+module.exports.C14nCanonicalizationWithComments = require("./lib/c14n-canonicalization").C14nCanonicalizationWithComments;
+module.exports.ExclusiveCanonicalization = require("./lib/exclusive-canonicalization").ExclusiveCanonicalization;
+module.exports.ExclusiveCanonicalizationWithComments = require("./lib/exclusive-canonicalization").ExclusiveCanonicalizationWithComments;
 module.exports.xpath = function (node, xpath) {
   return select(xpath, node);
 };