diff --git a/homeassistant/const.py b/homeassistant/const.py
index 45104f0d81b..16ee024024c 100644
--- a/homeassistant/const.py
+++ b/homeassistant/const.py
@@ -7,7 +7,7 @@ from homeassistant.backports.enum import StrEnum
 
 MAJOR_VERSION: Final = 2021
 MINOR_VERSION: Final = 12
-PATCH_VERSION: Final = "8"
+PATCH_VERSION: Final = "9"
 __short_version__: Final = f"{MAJOR_VERSION}.{MINOR_VERSION}"
 __version__: Final = f"{__short_version__}.{PATCH_VERSION}"
 REQUIRED_PYTHON_VER: Final[tuple[int, int, int]] = (3, 8, 0)