diff --git a/lib/streams.js b/lib/streams.js
new file mode 100644
index 000000000..1115771c7
--- /dev/null
+++ b/lib/streams.js
@@ -0,0 +1,38 @@
+var stream = require('stream');
+var util = require('util');
+
+//
+// This stream is used to read tarballs from repository
+//
+function ReadTarball(options) {
+	stream.PassThrough.call(this, options);
+}
+
+// called when data is not needed anymore
+UploadTarball.prototype.abort = function() {
+	this.emit('error', new Error('not implemented'));
+};
+
+util.inherits(ReadTarball, stream.PassThrough);
+module.exports.ReadTarballStream = ReadTarball;
+
+//
+// This stream is used to upload tarballs to a repository
+//
+function UploadTarball(options) {
+	stream.Writable.call(this, options);
+}
+
+// called when user closes connection before upload finishes
+UploadTarball.prototype.abort = function() {
+	this.emit('error', new Error('not implemented'));
+};
+
+// called when upload finishes successfully
+UploadTarball.prototype.done = function() {
+	this.emit('error', new Error('not implemented'));
+};
+
+util.inherits(UploadTarball, stream.Writable);
+module.exports.UploadTarballStream = UploadTarball;
+
diff --git a/package.yaml b/package.yaml
index 086f6dc47..61fd567cd 100644
--- a/package.yaml
+++ b/package.yaml
@@ -43,6 +43,11 @@ keywords:
 scripts:
   test: ./test/start.sh
 
+# we depend on streams2 stuff
+# it can be replaced with isaacs/readable-stream, ask if you need to use 0.8
+engines:
+	node: '>=0.10'
+
 preferGlobal: true
 license: BSD