diff --git a/MANIFEST.in b/MANIFEST.in
index 0ee5a822..803960d6 100644
--- a/MANIFEST.in
+++ b/MANIFEST.in
@@ -1,4 +1,4 @@
 include *.rst
 recursive-include docs *.rst
 include requirements.txt
-recursive-include tests *.py
\ No newline at end of file
+prune tests
diff --git a/setup.py b/setup.py
index 3b5bcde8..7ffe63df 100644
--- a/setup.py
+++ b/setup.py
@@ -34,7 +34,7 @@
         'Programming Language :: Python :: 3',
         'Programming Language :: Python :: 3.4',
     ],
-    packages=find_packages(),
+    packages=find_packages(exclude=["*.tests", "*.tests.*", "tests.*", "tests"]),
     include_package_data=True,
     install_requires=["requests", "inflection", "certifi", "six", "pytz"],
     zip_safe=False