diff --git a/gulp/build.js b/gulp/build.js
index 886b2f3..92d1af9 100644
--- a/gulp/build.js
+++ b/gulp/build.js
@@ -62,6 +62,19 @@ gulp.task('html', ['inject', 'partials'], function () {
     .pipe($.useref())
     .pipe($.revReplace())
     .pipe(htmlFilter)
+    // production
+    .pipe($.if($.util.env.production, $.replace('<!-- INJECT-GOOGLE-ANALYTICS -->', ([
+      '<script>',
+      '  (function(i,s,o,g,r,a,m){i["GoogleAnalyticsObject"]=r;i[r]=i[r]||function(){',
+      '  (i[r].q=i[r].q||[]).push(arguments)},i[r].l=1*new Date();a=s.createElement(o),',
+      '  m=s.getElementsByTagName(o)[0];a.async=1;a.src=g;m.parentNode.insertBefore(a,m)',
+      '  })(window,document,"script","//www.google-analytics.com/analytics.js","ga");',
+      '  ga("create", "UA-68205875-1", "auto");',
+      '  ga("send", "pageview");',
+      '</script>'
+      ]).join('\n'))))
+    // staging
+    // .pipe($.if($.util.env.staging, $.replace('<!-- INJECT-GOOGLE-ANALYTICS -->', '')))
     .pipe($.minifyHtml({
       empty: true,
       spare: true,
diff --git a/src/index.html b/src/index.html
index c6644d1..5dd1253 100644
--- a/src/index.html
+++ b/src/index.html
@@ -63,5 +63,7 @@
     <script src='//feedback.participa.br/widget/gAC1MNc2MYVOzEmnElaeVQ'></script>
     <script defer="defer" src="http://barra.brasil.gov.br/barra.js" type="text/javascript"></script>
     <script defer="defer" src="http://captcha2.servicoscorporativos.serpro.gov.br/js/captcha.serpro.gov.br.js"></script>
+
+    <!-- INJECT-GOOGLE-ANALYTICS -->
   </body>
 </html>
--
libgit2 0.21.2