--- a/setup.py
+++ b/setup.py
@@ -57,7 +57,7 @@ setup_kwargs = dict(
     description=README[0].strip(),
     long_description=''.join(README),
     test_suite='psycopg2cffi.tests.suite',
-    packages=['psycopg2cffi', 'psycopg2cffi._impl', 'psycopg2cffi.tests'],
+    packages=['psycopg2cffi', 'psycopg2cffi._impl', 'psycopg2cffi.tests', 'psycopg2cffi.tests.psycopg2_tests'],
     install_requires=['six'],
 )