diff --git a/.locales b/.locales
new file mode 100644
index 0000000..9dc089a
--- /dev/null
+++ b/.locales
@@ -0,0 +1,5 @@
+en_US
+fr_FR
+es_ES
+pt_BR
+de_DE
diff --git a/app.json b/app.json
index 9aaf88c..848962c 100644
--- a/app.json
+++ b/app.json
@@ -11,6 +11,9 @@
     "php"
   ],
   "buildpacks": [
+    {
+      "url": "https://github.com/heroku/heroku-buildpack-locale"
+    },
     {
       "url": "https://github.com/piotras/heroku-buildpack-gettext.git"
     },