diff --git a/package.json b/package.json
index 1c8edc31bfb8a1d6c3ee51b8f19cd87ba0544c56..3de02249e3230b1f29e4d449110df2d5f006a9e1 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "ucoin",
-  "version": "0.20.0a12",
+  "version": "0.20.0a13",
   "engines": {
     "node": ">=4.2.0",
     "npm": ">=2.11"
diff --git a/test/integration/branches.js b/test/integration/branches.js
index eed8d483909b6eaf01a24fe8eb8f95603f4cfcb0..7f53e1874f3132312861c5971191011650de10ef 100644
--- a/test/integration/branches.js
+++ b/test/integration/branches.js
@@ -225,7 +225,7 @@ describe("Branches", function() {
     it('should have a 3 blocks fork window size', function() {
       return expectAnswer(rp('http://127.0.0.1:7778/node/summary', { json: true }), function(res) {
         res.should.have.property('ucoin').property('software').equal('ucoind');
-        res.should.have.property('ucoin').property('version').equal('0.20.0a12');
+        res.should.have.property('ucoin').property('version').equal('0.20.0a13');
         res.should.have.property('ucoin').property('forkWindowSize').equal(3);
       });
     });