diff --git a/lib/nodegit.js b/lib/nodegit.js
index d02041af9..cff01781b 100644
--- a/lib/nodegit.js
+++ b/lib/nodegit.js
@@ -1,3 +1,4 @@
+var Promise = require("nodegit-promise");
 var promisify = require("promisify-node");
 var descriptors = require("../generate/idefs.json");
 var rawApi;
@@ -72,5 +73,8 @@ promisify(exports);
 // Set version.
 exports.version = require("../package").version;
 
+// Expose Promise implementation.
+exports.Promise = Promise;
+
 // Initialize threads.
 exports.Threads.init();