diff --git a/package.json b/package.json
index 54b9cccbbcf6a9e0ead3ac314c5e7148b4e5803b..370bde5c0924d04c416945162319e0dedc834070 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "ucoin",
-  "version": "0.20.0a3",
+  "version": "0.20.0a4",
   "engines": {
     "node": ">=4.2.0",
     "npm": ">=2.11"
diff --git a/test/integration/branches.js b/test/integration/branches.js
index 81cd340ffdd457c198f70bbe4961bab1bc4390b1..58cccdf4c195dd9802f5976a650249c64cf39eaa 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('0.20.0a3');
+        res.should.have.property('ucoin').property('version').equal('0.20.0a4');
         res.should.have.property('ucoin').property('forkWindowSize').equal(3);
       });
     });