diff --git a/src/c3nav/api/serializers.py b/src/c3nav/api/serializers.py
index 0104accb..2642e77d 100644
--- a/src/c3nav/api/serializers.py
+++ b/src/c3nav/api/serializers.py
@@ -23,7 +23,7 @@ class LevelSerializer(ModelSerializer):
 class PackageSerializer(BoundsMixin, ModelSerializer):
     class Meta:
         model = Package
-        fields = ('name', 'depends')
+        fields = ('name', 'home_repo', 'depends')
 
     def to_representation(self, obj):
         result = super().to_representation(obj)
diff --git a/src/c3nav/mapdata/migrations/0002_package_home_repo.py b/src/c3nav/mapdata/migrations/0002_package_home_repo.py
new file mode 100644
index 00000000..21dfb867
--- /dev/null
+++ b/src/c3nav/mapdata/migrations/0002_package_home_repo.py
@@ -0,0 +1,20 @@
+# -*- coding: utf-8 -*-
+# Generated by Django 1.9.9 on 2016-09-12 13:01
+from __future__ import unicode_literals
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('mapdata', '0001_initial'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='package',
+            name='home_repo',
+            field=models.URLField(null=True, verbose_name='URL to the home git repository'),
+        ),
+    ]
diff --git a/src/c3nav/mapdata/models/package.py b/src/c3nav/mapdata/models/package.py
index 5d6d20d5..1dbbe7db 100644
--- a/src/c3nav/mapdata/models/package.py
+++ b/src/c3nav/mapdata/models/package.py
@@ -11,6 +11,7 @@ class Package(models.Model):
     name = models.SlugField(_('package identifier'), primary_key=True, max_length=50,
                             help_text=_('e.g. de.c3nav.33c3.base'))
     depends = models.ManyToManyField('Package')
+    home_repo = models.URLField(_('URL to the home git repository'), null=True)
 
     bottom = models.DecimalField(_('bottom coordinate'), null=True, max_digits=6, decimal_places=2)
     left = models.DecimalField(_('left coordinate'), null=True, max_digits=6, decimal_places=2)
@@ -34,6 +35,9 @@ class Package(models.Model):
             raise TypeError('pkg.json: depends has to be a list')
         kwargs['depends'] = depends
 
+        if 'home_repo' in data:
+            kwargs['home_repo'] = data['home_repo']
+
         if 'bounds' in data:
             bounds = data['bounds']
             if len(bounds) != 2 or len(bounds[0]) != 2 or len(bounds[1]) != 2:
@@ -53,10 +57,12 @@ class Package(models.Model):
     def tofile(self):
         data = OrderedDict()
         data['name'] = self.name
-        if self.bottom is not None:
-            data['bounds'] = ((float(self.bottom), float(self.left)), (float(self.top), float(self.right)))
+        if self.home_repo is not None:
+            data['home_repo'] = self.home_repo
         if self.depends.exists():
             data['depends'] = tuple(package.name for package in self.depends.all().order_by('name'))
+        if self.bottom is not None:
+            data['bounds'] = ((float(self.bottom), float(self.left)), (float(self.top), float(self.right)))
 
         return data