diff --git a/MANIFEST.in b/MANIFEST.in
index 7db861d..a17a69f 100644
--- a/MANIFEST.in
+++ b/MANIFEST.in
@@ -4,3 +4,4 @@ include LICENSE.txt
 include MANIFEST.in
 include README.rst
 include setup.py
+recursive-include tests *.py
diff --git a/setup.py b/setup.py
index 00d386d..b575b5a 100755
--- a/setup.py
+++ b/setup.py
@@ -62,7 +62,7 @@
     keywords='click plugin setuptools entry-point',
     license="New BSD",
     long_description=long_desc,
-    packages=find_packages(exclude=['tests']),
+    packages=find_packages(exclude=['tests.*', 'tests']),
     url=source,
     version=version,
     zip_safe=True