diff --git a/MANIFEST.in b/MANIFEST.in
index 709e1791..166311d4 100644
--- a/MANIFEST.in
+++ b/MANIFEST.in
@@ -4,6 +4,8 @@ recursive-include examples *
 recursive-include docs *
 recursive-exclude docs *.pyc
 recursive-exclude docs *.pyo
+recursive-exclude tests *.pyc
+recursive-exclude tests *.pyo
 recursive-exclude examples *.pyc
 recursive-exclude examples *.pyo
 prune docs/_build