diff --git a/setup.py b/setup.py
index 920d456..6a5b726 100644
--- a/setup.py
+++ b/setup.py
@@ -14,7 +14,7 @@ def read(fname):
                 'library that, among other things, supports JSON-RPC and zmq.',
     long_description=read('README.rst'),
     long_description_content_type="text/x-rst",
-    packages=find_packages(exclude=['tests', 'examples']),
+    packages=find_packages(exclude=['examples']),
     keywords='json rpc json-rpc jsonrpc 0mq zmq zeromq',
     author='Marc Brinkmann',
     author_email='git@marcbrinkmann.de',