diff --git a/pyproject.toml b/pyproject.toml
index dbe34d1..4380915 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -3,7 +3,7 @@ name = "o2o-castad-backend"
 version = "0.1.0"
 description = "Add your description here"
 readme = "README.md"
-requires-python = "3.13.11"
+requires-python = "==3.13.11"
 dependencies = [
     "aiofiles>=25.1.0",
     "aiohttp>=3.13.2",