diff --git a/pyproject.toml b/pyproject.toml
index 0c8fc57..cf8d582 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -64,7 +64,7 @@ build = [
 ]
 
 [tool.setuptools.packages.find]
-include = ["pytiled-parser", "pytiled-parser.*"]
+include = ["pytiled_parser", "pytiled_parser.*"]
 
 [build-system]
 requires = ["setuptools", "wheel"]