diff --git a/MANIFEST.in b/MANIFEST.in
index 7e9d50cd4..37213371b 100644
--- a/MANIFEST.in
+++ b/MANIFEST.in
@@ -1,4 +1,4 @@
-include *AUTHORS *LICENSE *README.md
+include *AUTHORS *LICENSE *README.md *pyproject.toml
 recursive-include doc *
 recursive-include examples *
 recursive-include kivy/data *.png *.jpg *.ttf *.kv *.fs *.vs *.json *.gif *.atlas *.ico