diff --git a/Doxygen b/Doxygen
index a9f1b0db4..3c63c995c 100644
--- a/Doxygen
+++ b/Doxygen
@@ -38,7 +38,7 @@ PROJECT_NAME           = "ESPHome"
 # could be handy for archiving the generated documentation or if some version
 # control system is used.
 
-PROJECT_NUMBER         = 2024.9.0b3
+PROJECT_NUMBER         = 2024.9.0b4
 
 # Using the PROJECT_BRIEF tag one can provide an optional one line description
 # for a project that appears at the top of each page and should give viewer a
diff --git a/Makefile b/Makefile
index c34b15fb2..66b87b232 100644
--- a/Makefile
+++ b/Makefile
@@ -1,5 +1,5 @@
 ESPHOME_PATH = ../esphome
-ESPHOME_REF = 2024.9.0b3
+ESPHOME_REF = 2024.9.0b4
 PAGEFIND_VERSION=1.1.0
 PAGEFIND=pagefind
 NET_PAGEFIND=../pagefindbin/pagefind
diff --git a/_static/version b/_static/version
index 859c70942..f717c0a86 100644
--- a/_static/version
+++ b/_static/version
@@ -1 +1 @@
-2024.9.0b3
\ No newline at end of file
+2024.9.0b4
\ No newline at end of file
diff --git a/conf.py b/conf.py
index 2b0c9e48a..030fa66ab 100644
--- a/conf.py
+++ b/conf.py
@@ -69,7 +69,7 @@ author = "ESPHome"
 # The short X.Y version.
 version = "2024.9"
 # The full version, including alpha/beta/rc tags.
-release = "2024.9.0b3"
+release = "2024.9.0b4"
 
 # The language for content autogenerated by Sphinx. Refer to documentation
 # for a list of supported languages.