diff --git a/appveyor.yml b/appveyor.yml
index 6bd610d7790bc9b2a18978cde20cc8a9503bc9e9..25ad2f5891712d0b149d10540b4fc8facd14d7ef 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -76,7 +76,7 @@ artifacts:
     name: Duniter
 
 deploy:
-  release: v0.20.0a26
+  release: v0.20.0a27
   provider: GitHub
   auth_token:
     secure: Vp/M0r0i1yhGR2nhrPWEbTiDIF6r0cmwbNDFZUzdFe5clWxPXtuC0lgIpOQI78zt
diff --git a/gui/package.json b/gui/package.json
index 648f899df4e39b15307761f0a6a4446f4644364b..a05277e50fd60e977646ecf003f036b13760b8cf 100644
--- a/gui/package.json
+++ b/gui/package.json
@@ -1,5 +1,5 @@
 {
-  "name": "v0.20.0a26",
+  "name": "v0.20.0a27",
   "main": "index.html",
   "node-main": "../sources/bin/ucoind",
   "window": {
diff --git a/package.json b/package.json
index 9e73e293378bedbcbfe037fcae9c160cdc2eb6ef..540d71fe8889d9dc76897b46c4eae845e8dd9031 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "ucoin",
-  "version": "0.20.0a26",
+  "version": "0.20.0a27",
   "engines": {
     "node": ">=4.2.0",
     "npm": ">=2.11"
diff --git a/test/integration/branches.js b/test/integration/branches.js
index b43121875ed29ea9da02b720083cb83222a324c3..3dca99ea03fcdfc44e38781d85835a239376d93a 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('0.20.0a26');
+        res.should.have.property('ucoin').property('version').equal('0.20.0a27');
         res.should.have.property('ucoin').property('forkWindowSize').equal(3);
       });
     });