diff --git a/lib/expressapp.js b/lib/expressapp.js
index 3ad7b2d..df8268d 100644
--- a/lib/expressapp.js
+++ b/lib/expressapp.js
@@ -34,6 +34,7 @@ ExpressApp.prototype.start = function(opts, cb) {
     res.setHeader('Access-Control-Allow-Origin', '*');
     res.setHeader('Access-Control-Allow-Methods', 'GET, POST, OPTIONS, PUT, DELETE');
     res.setHeader('Access-Control-Allow-Headers', 'x-signature,x-identity,x-client-version,X-Requested-With,Content-Type,Authorization');
+    res.setHeader('x-service-version', WalletService.getServiceVersion());
     next();
   });
   var allowCORS = function(req, res, next) {
@@ -430,9 +431,8 @@ ExpressApp.prototype.start = function(opts, cb) {
   });
 
   router.get('/v1/version/', function(req, res) {
-    var server = getServer(req, res);
     res.json({
-      serviceVersion: server.serviceVersion
+      serviceVersion: WalletService.getServiceVersion(),
     });
     res.end();
   });
diff --git a/lib/server.js b/lib/server.js
index 1062171..8a88323 100644
--- a/lib/server.js
+++ b/lib/server.js
@@ -15,7 +15,6 @@ var Address = Bitcore.Address;
 
 var ClientError = require('./errors/clienterror');
 var Errors = require('./errors/errordefinitions');
-var Package = require('../package');
 
 var Utils = require('./utils');
 var Lock = require('./lock');
@@ -33,6 +32,7 @@ var storage;
 var blockchainExplorer;
 var blockchainExplorerOpts;
 var messageBroker;
+var serviceVersion;
 
 var MAX_KEYS = 100;
 
@@ -50,7 +50,12 @@ function WalletService() {
   this.blockchainExplorerOpts = blockchainExplorerOpts;
   this.messageBroker = messageBroker;
   this.notifyTicker = 0;
-  this.serviceVersion = 'bws-' + Package.version;
+};
+
+WalletService.getServiceVersion = function() {
+  if (!serviceVersion)
+    serviceVersion = 'bws-' + require('../package').version;
+  return serviceVersion;
 };
 
 
diff --git a/test/expressapp.js b/test/expressapp.js
index 2a9e8b0..cbf8671 100644
--- a/test/expressapp.js
+++ b/test/expressapp.js
@@ -57,7 +57,7 @@ describe('ExpressApp', function() {
 
       it('/v2/wallets', function(done) {
         var server = {
-          getStatus: sinon.stub().callsArgWith(1, null, {})
+          getStatus: sinon.stub().callsArgWith(1, null, {}),
         };
         var TestExpressApp = proxyquire('../lib/expressapp', {
           './server': {
@@ -73,9 +73,11 @@ describe('ExpressApp', function() {
               'x-signature': 'signature'
             }
           };
-          request(requestOptions, function(err, response, body) {
+          request(requestOptions, function(err, res, body) {
             should.not.exist(err);
-            response.statusCode.should.equal(200);
+            should.exist(res.headers['x-service-version']);
+            res.headers['x-service-version'].should.equal('bws-' + require('../package').version);
+            res.statusCode.should.equal(200);
             body.should.equal('{}');
             done();
           });
@@ -102,9 +104,9 @@ describe('ExpressApp', function() {
               'x-signature': 'signature'
             }
           };
-          request(requestOptions, function(err, response, body) {
+          request(requestOptions, function(err, res, body) {
             should.not.exist(err);
-            response.statusCode.should.equal(200);
+            res.statusCode.should.equal(200);
             body.should.equal('{}');
             server.getNotifications.calledWith({
               notificationId: '123',
diff --git a/test/integration/server.js b/test/integration/server.js
index 2bfa182..de82df0 100644
--- a/test/integration/server.js
+++ b/test/integration/server.js
@@ -813,13 +813,18 @@ describe('Wallet service', function() {
 
   });
 
+  describe('#getServiceVersion', function() {
+    it('should get version from package', function() {
+      WalletService.getServiceVersion().should.equal('bws-' + require('../../package').version);
+    });
+  });
+
   describe('#getInstance', function() {
     it('should get server instance', function() {
       var server = WalletService.getInstance({
         clientVersion: 'bwc-0.0.1',
       });
       server.clientVersion.should.equal('bwc-0.0.1');
-      server.serviceVersion.indexOf('bws-').should.equal(0);
     });
   });