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/changelog/2024.9.0.rst b/changelog/2024.9.0.rst
index e08f2c140..3f69fe9a5 100644
--- a/changelog/2024.9.0.rst
+++ b/changelog/2024.9.0.rst
@@ -46,6 +46,9 @@ Beta Changes
 - Improve manufacturer data tracing to identify BLE devices a bit easie… :esphomepr:`7332` by :ghuser:`tomer-w`
 - Add sample_bytes to media player supported format :esphomepr:`7451` by :ghuser:`synesthesiam`
 - [docker] Bump git from 1:2.39.2-1.1 to 1:2.39.5-0+deb12u1 :esphomepr:`7452` by :ghuser:`jesserockz`
+- Add voice assistant configuration messages :esphomepr:`7445` by :ghuser:`synesthesiam`
+- Dont replace project name spaces with underlines :esphomepr:`7455` by :ghuser:`jesserockz`
+- Add voice assistant methods for configuration :esphomepr:`7459` by :ghuser:`synesthesiam`
 
 All changes
 ^^^^^^^^^^^
@@ -139,6 +142,9 @@ All changes
 - Improve manufacturer data tracing to identify BLE devices a bit easie… :esphomepr:`7332` by :ghuser:`tomer-w`
 - Add sample_bytes to media player supported format :esphomepr:`7451` by :ghuser:`synesthesiam`
 - [docker] Bump git from 1:2.39.2-1.1 to 1:2.39.5-0+deb12u1 :esphomepr:`7452` by :ghuser:`jesserockz`
+- Add voice assistant configuration messages :esphomepr:`7445` by :ghuser:`synesthesiam`
+- Dont replace project name spaces with underlines :esphomepr:`7455` by :ghuser:`jesserockz`
+- Add voice assistant methods for configuration :esphomepr:`7459` by :ghuser:`synesthesiam`
 
 Past Changelogs
 ---------------
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.
diff --git a/guides/supporters.rst b/guides/supporters.rst
index 5d7c2dee8..7a8bd0e22 100644
--- a/guides/supporters.rst
+++ b/guides/supporters.rst
@@ -1981,4 +1981,4 @@ Contributors
 - `Christian Zufferey (@zuzu59) <https://github.com/zuzu59>`__
 - `Zynth-dev (@Zynth-dev) <https://github.com/Zynth-dev>`__
 
-*This page was last updated September 16, 2024.*
+*This page was last updated September 18, 2024.*