diff --git a/setup.py b/setup.py
index 826eac7..b157ce5 100644
--- a/setup.py
+++ b/setup.py
@@ -28,6 +28,6 @@
     package_dir={"": "src"},
     packages=find_packages(where="src"),
     package_data={"": ["py.typed"]},
-    use_calver=True,
+    use_calver="%Y.%m.%d.%H",
     setup_requires=["calver"],
 )