diff --git a/MANIFEST.in b/MANIFEST.in
index 6b46e4d..bb85ddd 100644
--- a/MANIFEST.in
+++ b/MANIFEST.in
@@ -1,2 +1,13 @@
 include LICENSE
-recursive-include tests *.py *.key *.db known_hosts*
+
+recursive-include tests *
+prune tests/__pycache__
+prune tests/.pytest_cache
+
+recursive-include webssh *
+prune webssh/__pycache__
+prune webssh/.pytest_cache
+
+global-exclude *.pyc
+global-exclude *.log
+global-exclude .coverage
diff --git a/setup.py b/setup.py
index ce92ee1..b2fb3a7 100644
--- a/setup.py
+++ b/setup.py
@@ -21,6 +21,7 @@ setup(
     wssh = webssh.main:main
     ''',
     license='MIT',
+    include_package_data=True,
     classifiers=[
         'Programming Language :: Python',
         'Programming Language :: Python :: 2',