diff --git a/pyproject.toml b/pyproject.toml
index c4308e0..e4c5c71 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,5 +1,5 @@
 [project]
-name = "StarRailDamageCal"
+name = "starrail_damage_cal"
 version = "0.1.0"
 description = "For StarRail Role Damage Cal"
 authors = [
@@ -13,7 +13,7 @@ requires-python = ">=3.8"
 readme = "README.md"
 license = {text = "MIT"}
 
-packages = [{ include = "StarRailDamageCal" }]
+packages = [{ include = "starrail_damage_cal" }]
 
 [tool.ruff]
 select = ["ALL"]