diff --git a/.travis.yml b/.travis.yml
index 35c547f644c133c9212f002489fc4d8a9e192760..aac4a86eff731c4ae548ba6b4a352aecaddaed29 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -36,7 +36,7 @@ before_deploy:
 # Releases deployed on GitHub
 deploy:
   provider: releases
-#  prerelease: true
+  prerelease: true
   skip_cleanup: true
   api_key:
     secure: feyz5YmzYj6g6ZJKAv7u3pp9j9OY6oL4Pcx8mkha25BT1kEIu7lzvkZu4mJAIDjCxJjEkce3fNGXhRICqoMhRy/FK5dUUTpmP3KoMLNNJboO+MhDqjPEb6OYyafikSWnm0BszPL38FzSYMdmvNZ6WirOyVfrdzVPgU6MG0D99w8=
diff --git a/package.json b/package.json
index 9cf7d92f6b6aac6019ac755fc3677f2e9a4bef7b..1834a4d0d1dec823557a74d2bb3fc5cbffac6fc6 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "ucoin",
-  "version": "0.13.7",
+  "version": "0.13.8a1",
   "engines": {
     "node": ">=4.2.0",
     "npm": ">=2.11"
diff --git a/test/integration/branches.js b/test/integration/branches.js
index 8f169771503e3ac6673f623863d359b7d2bd894d..3dfc9b3755fbc20ff4fd6629d2fc2dc7ca76debe 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('0.13.7');
+        res.should.have.property('ucoin').property('version').equal('0.13.8a1');
         res.should.have.property('ucoin').property('forkWindowSize').equal(3);
       });
     });