diff --git a/prebuild.py b/prebuild.py
index ee9bd52..30426dc 100644
--- a/prebuild.py
+++ b/prebuild.py
@@ -62,7 +62,7 @@ def generate_setup_cfg() -> None:
 		'include': ", ".join(config['tool']['setuptools']['packages']['find']['include'])
 	}
 
-	with open("setup.cfg", 'w') as fh:
+	with open("setup.cfg", 'w', encoding='utf8') as fh:
 		output.write(fh)