diff --git a/MANIFEST.in b/MANIFEST.in
index cdab1c2f..1a68d690 100644
--- a/MANIFEST.in
+++ b/MANIFEST.in
@@ -2,3 +2,4 @@ include LICENSE
 include *.md
 include *.rst
 include *.txt
+recursive-exclude tests *
\ No newline at end of file