diff --git a/appveyor.yml b/appveyor.yml
index 830ed56b70314f0bbe4ecbbc8f7be90feb59c7f3..0bab966924eb6733dafc43ae4021b70d6dd2f7b0 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -75,7 +75,7 @@ artifacts:
     name: Duniter
 
 deploy:
-  release: 0.20.0a19
+  release: 0.20.0a20
   provider: GitHub
   auth_token:
     secure: Vp/M0r0i1yhGR2nhrPWEbTiDIF6r0cmwbNDFZUzdFe5clWxPXtuC0lgIpOQI78zt
diff --git a/package.json b/package.json
index 510ccf520377931485be9545aa24a3f56cc3d2e2..b02989f3bc19f09bbeecb8b27ece00bd9330d380 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "ucoin",
-  "version": "0.20.0a19",
+  "version": "0.20.0a20",
   "engines": {
     "node": ">=4.2.0",
     "npm": ">=2.11"
diff --git a/test/integration/branches.js b/test/integration/branches.js
index aafd4f4a3d09c22f8c05c5359c0ca38aa2e56577..114f3577bf3c816e37c04927a5b8ab5e596dca5a 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('0.20.0a19');
+        res.should.have.property('ucoin').property('version').equal('0.20.0a20');
         res.should.have.property('ucoin').property('forkWindowSize').equal(3);
       });
     });