diff --git a/build/aspnet5-version.js b/build/aspnet5-version.js
index 25a20b4a0..7487d49b2 100644
--- a/build/aspnet5-version.js
+++ b/build/aspnet5-version.js
@@ -1,11 +1,18 @@
 var jsonfile = require('jsonfile');
+var semver = require('semver');
 var util = require('util');
 
 var file = '../src/imageprocessor/project.json';
-var buildNumber = process.env.APPVEYOR_BUILD_VERSION.substring(1);
+var buildVersion = process.env.APPVEYOR_BUILD_VERSION.substring(1);
+//var buildVersion = '3.0.0.23';
+
+var findPoint       = buildVersion.lastIndexOf(".");
+var basePackageVer  = buildVersion.substring(0, findPoint);
+var buildNumber     = buildVersion.substring(findPoint + 1, buildVersion.length);
+var semversion 		= semver.valid(basePackageVer + '-alpha-' + buildNumber)
 
 jsonfile.readFile(file, function (err, project) {
-	project.version = buildNumber;
+	project.version = semversion;
 	jsonfile.writeFile(file, project, {spaces: 2}, function(err) {
 		console.error(err);
 	});
diff --git a/build/package.json b/build/package.json
index 2207a278b..59cc96e92 100644
--- a/build/package.json
+++ b/build/package.json
@@ -1,5 +1,6 @@
 {
   "dependencies": {
-    "jsonfile": "^2.2.3"
+    "jsonfile": "^2.2.3",
+    "semver": "^5.0.3"
   }
 }