diff --git a/MANIFEST.in b/MANIFEST.in
index f0382ab2..24b6337b 100644
--- a/MANIFEST.in
+++ b/MANIFEST.in
@@ -13,3 +13,4 @@ exclude .readthedocs.yml
 exclude .ruff.toml
 include *.md
 include *.py
+include *.toml