diff --git a/MANIFEST.in b/MANIFEST.in
index d7e1cb61..ddd7d649 100644
--- a/MANIFEST.in
+++ b/MANIFEST.in
@@ -2,4 +2,11 @@ include AUTHORS
 include LICENSE
 include README.md
 recursive-include cqlengine *
+global-exclude *.pyc 
+global-exclude __pycache__/*
+global-exclude *.so
+global-exclude .DS_Store
+
+
+