diff --git a/python/MANIFEST.in b/python/MANIFEST.in
index 91caf33ae..4beada4d6 100644
--- a/python/MANIFEST.in
+++ b/python/MANIFEST.in
@@ -6,3 +6,4 @@ graft tests
 include AUTHORS README.md COPYING CHANGELOG.md
 include requirements*.txt
 exclude src/trezorlib/_proto_messages.mako
+exclude tests/*.bin