diff --git a/MANIFEST.in b/MANIFEST.in
index 1aba38f..d88cc81 100644
--- a/MANIFEST.in
+++ b/MANIFEST.in
@@ -1 +1,4 @@
 include LICENSE
+include runtests.py
+include tox.ini
+recursive-include tests *
diff --git a/django_libsass.py b/django_libsass/__init__.py
similarity index 100%
rename from django_libsass.py
rename to django_libsass/__init__.py
diff --git a/setup.cfg b/setup.cfg
index 6372926..04c4895 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -1,2 +1,6 @@
 [metadata]
-license-file = LICENSE
+license_file = LICENSE
+
+[options]
+packages =
+    django_libsass