diff --git a/browser/midiwriter.js b/browser/midiwriter.js
index a9d3ac4..9b553b5 100644
--- a/browser/midiwriter.js
+++ b/browser/midiwriter.js
@@ -6,7 +6,7 @@ var MidiWriter = (function () {
 	 * @return {Constants}
 	 */
 	var Constants = {
-	  VERSION: '2.1.0',
+	  VERSION: '2.1.1',
 	  HEADER_CHUNK_TYPE: [0x4d, 0x54, 0x68, 0x64],
 	  // Mthd
 	  HEADER_CHUNK_LENGTH: [0x00, 0x00, 0x00, 0x06],