diff --git a/homeassistant/const.py b/homeassistant/const.py
index a0aafaad3ce..f8d2507d051 100644
--- a/homeassistant/const.py
+++ b/homeassistant/const.py
@@ -1,6 +1,6 @@
 """Constants used by Home Assistant components."""
 MAJOR_VERSION = 2021
-MINOR_VERSION = 3
+MINOR_VERSION = 4
 PATCH_VERSION = "0.dev0"
 __short_version__ = f"{MAJOR_VERSION}.{MINOR_VERSION}"
 __version__ = f"{__short_version__}.{PATCH_VERSION}"