diff --git a/esphome/const.py b/esphome/const.py
index c3eccd6311..153e2902d4 100644
--- a/esphome/const.py
+++ b/esphome/const.py
@@ -2,7 +2,7 @@
 
 MAJOR_VERSION = 1
 MINOR_VERSION = 15
-PATCH_VERSION = '0b3'
+PATCH_VERSION = '0b4'
 __short_version__ = f'{MAJOR_VERSION}.{MINOR_VERSION}'
 __version__ = f'{__short_version__}.{PATCH_VERSION}'