diff --git a/script/release b/script/release
index dc3e208bc1a49553acbd62d1fbc10729f4c4232e..cf4f808377ed35c6e1180dbf42a193db2dc1a1bb 100755
--- a/script/release
+++ b/script/release
@@ -27,5 +27,6 @@ then
   exit 1
 fi
 
+rm -rf dist
 python3 setup.py sdist bdist_wheel
 python3 -m twine upload dist/* --skip-existing