diff --git a/MANIFEST.in b/MANIFEST.in
index 15c4d0b08..d407865fb 100644
--- a/MANIFEST.in
+++ b/MANIFEST.in
@@ -1,2 +1,4 @@
 recursive-include rest_framework/static *.js *.css *.png
 recursive-include rest_framework/templates *.html
+recursive-exclude * __pycache__
+recursive-exclude * *.py[co]