diff --git a/Doxygen b/Doxygen
index 8506390c3..66fdb4c82 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         = 2021.11.0b6
+PROJECT_NUMBER         = 2021.11.0b7
 
 # 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 e576e5718..b85e36ce5 100644
--- a/Makefile
+++ b/Makefile
@@ -1,5 +1,5 @@
 ESPHOME_PATH = ../esphome
-ESPHOME_REF = 2021.11.0b6
+ESPHOME_REF = 2021.11.0b7
 
 .PHONY: html html-strict cleanhtml deploy help webserver Makefile netlify netlify-api api netlify-dependencies svg2png copy-svg2png minify
 
diff --git a/_static/version b/_static/version
index c97a09fbb..b0f52f17c 100644
--- a/_static/version
+++ b/_static/version
@@ -1 +1 @@
-2021.11.0b6
\ No newline at end of file
+2021.11.0b7
\ No newline at end of file
diff --git a/changelog/2021.11.0.rst b/changelog/2021.11.0.rst
index 1b9348e9f..5ae3aad6d 100644
--- a/changelog/2021.11.0.rst
+++ b/changelog/2021.11.0.rst
@@ -133,6 +133,7 @@ Beta fixes
 - Fix indentation of write_lambda for modbus_controller number :esphomepr:`2722` by :ghuser:`jesserockz`
 - Remove unnecessary duplicate touch_pad_filter_start :esphomepr:`2724` by :ghuser:`Maelstrom96`
 - Add zeroconf as a direct dependency and lock the version :esphomepr:`2729` by :ghuser:`jesserockz`
+- Improv serial/checksum changes :esphomepr:`2731` by :ghuser:`jesserockz`
 
 All changes
 ^^^^^^^^^^^
@@ -236,6 +237,7 @@ All changes
 - Fix indentation of write_lambda for modbus_controller number :esphomepr:`2722` by :ghuser:`jesserockz`
 - Remove unnecessary duplicate touch_pad_filter_start :esphomepr:`2724` by :ghuser:`Maelstrom96`
 - Add zeroconf as a direct dependency and lock the version :esphomepr:`2729` by :ghuser:`jesserockz`
+- Improv serial/checksum changes :esphomepr:`2731` by :ghuser:`jesserockz`
 
 Past Changelogs
 ---------------
diff --git a/conf.py b/conf.py
index d3d5e56ac..d4ad4a5dc 100644
--- a/conf.py
+++ b/conf.py
@@ -69,7 +69,7 @@ author = "Otto Winter"
 # The short X.Y version.
 version = "2021.11"
 # The full version, including alpha/beta/rc tags.
-release = "2021.11.0b6"
+release = "2021.11.0b7"
 
 # The language for content autogenerated by Sphinx. Refer to documentation
 # for a list of supported languages.