diff --git a/package.json b/package.json
index 661d936951b03782e9a8927ce1c76a1a4715817c..aa1a025f432c2dc9a28095974c190a79af7a9798 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "ucoin",
-  "version": "0.20.0a16",
+  "version": "0.20.0a18",
   "engines": {
     "node": ">=4.2.0",
     "npm": ">=2.11"
diff --git a/test/integration/branches.js b/test/integration/branches.js
index 092480cdf355882d284d3a21d3af0caa5fe37850..dba1c2cb4a15aa270c2abe51f8ad351fc0d409a0 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('0.20.0a16');
+        res.should.have.property('ucoin').property('version').equal('0.20.0a18');
         res.should.have.property('ucoin').property('forkWindowSize').equal(3);
       });
     });