diff --git a/Doxygen b/Doxygen
index 76582ee8b..51eb7461d 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         = 2021.10.2
+PROJECT_NUMBER         = 2021.10.3
 
 # 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 0de5c681b..dfb79bfd5 100644
--- a/Makefile
+++ b/Makefile
@@ -1,5 +1,5 @@
 ESPHOME_PATH = ../esphome
-ESPHOME_REF = 2021.10.2
+ESPHOME_REF = 2021.10.3
 
 .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 a21da9501..b7d352674 100644
--- a/_static/version
+++ b/_static/version
@@ -1 +1 @@
-2021.10.2
\ No newline at end of file
+2021.10.3
\ No newline at end of file
diff --git a/changelog/2021.10.0.rst b/changelog/2021.10.0.rst
index 7eed6a92f..2662fd4d3 100644
--- a/changelog/2021.10.0.rst
+++ b/changelog/2021.10.0.rst
@@ -143,6 +143,19 @@ Release 2021.10.2 - October 22
 - Fix ESP8266 OTA compression only starting framework v2.7.0 :esphomepr:`2610` by :ghuser:`OttoWinter`
 - Bugfix tca9548a and idf refactor anh :esphomepr:`2612` by :ghuser:`andreashergert1984`
 
+Release 2021.10.3 - October 27
+------------------------------
+
+- fixed dependency for pca9685 component :esphomepr:`2614` by :ghuser:`andreashergert1984`
+- Bump platform-espressif8266 from 2.6.2 to 2.6.3 :esphomepr:`2620` by :ghuser:`OttoWinter`
+- Autodetect flash size :esphomepr:`2615` by :ghuser:`agners`
+- Teleinfo ptec :esphomepr:`2599` by :ghuser:`0hax`
+- Fix glue code missing micros() :esphomepr:`2623` by :ghuser:`OttoWinter`
+- Remove power and energy from sensors that are not true power :esphomepr:`2628` by :ghuser:`jesserockz`
+- fix modbus output :esphomepr:`2630` by :ghuser:`martgras`
+- Fix pin number validation for sn74hc595 :esphomepr:`2621` by :ghuser:`sairon`
+- Fix select.set using lambda :esphomepr:`2633` by :ghuser:`jesserockz`
+
 Full list of changes
 --------------------
 
diff --git a/conf.py b/conf.py
index 2ee111a7b..565549670 100644
--- a/conf.py
+++ b/conf.py
@@ -69,7 +69,7 @@ author = "Otto Winter"
 # The short X.Y version.
 version = "2021.10"
 # The full version, including alpha/beta/rc tags.
-release = "2021.10.2"
+release = "2021.10.3"
 
 # 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 bc02e754c..940438e72 100644
--- a/guides/supporters.rst
+++ b/guides/supporters.rst
@@ -61,7 +61,7 @@ Contributors
 - `Andrzej (@andriej) <https://github.com/andriej>`__
 - `Andreas (@anduchs) <https://github.com/anduchs>`__
 - `anekinloewe (@anekinloewe) <https://github.com/anekinloewe>`__
-- `Angel Nunez Mencias (@angelnu) <https://github.com/angelnu>`__
+- `Vegetto (@angelnu) <https://github.com/angelnu>`__
 - `Sergey Anisimov (@anisimovsergey) <https://github.com/anisimovsergey>`__
 - `ankycooper (@ankycooper) <https://github.com/ankycooper>`__
 - `Nikolay Vasilchuk (@Anonym-tsk) <https://github.com/Anonym-tsk>`__
@@ -121,6 +121,7 @@ Contributors
 - `Christian Taedcke (@chrta) <https://github.com/chrta>`__
 - `Pavel Skuratovich (@Chupaka) <https://github.com/Chupaka>`__
 - `John (@CircuitSetup) <https://github.com/CircuitSetup>`__
+- `Colby Rome (@cisasteelersfan) <https://github.com/cisasteelersfan>`__
 - `Chris Debenham (@cjd) <https://github.com/cjd>`__
 - `CODeRUS (@CODeRUS) <https://github.com/CODeRUS>`__
 - `Cody James (@codyjamestechnical) <https://github.com/codyjamestechnical>`__
@@ -337,7 +338,7 @@ Contributors
 - `Jonathan Adams (@jonathanadams) <https://github.com/jonathanadams>`__
 - `Jonathan Treffler (@JonathanTreffler) <https://github.com/JonathanTreffler>`__
 - `JonnyaiR (@jonnyair) <https://github.com/jonnyair>`__
-- `Joppy Furr (@JoppyFurr) <https://github.com/JoppyFurr>`__
+- `Joppy (@JoppyFurr) <https://github.com/JoppyFurr>`__
 - `jsuanet (@jsuanet) <https://github.com/jsuanet>`__
 - `junnikokuki (@junnikokuki) <https://github.com/junnikokuki>`__
 - `Justahobby01 (@Justahobby01) <https://github.com/Justahobby01>`__
@@ -372,7 +373,7 @@ Contributors
 - `Kodey Converse (@krconv) <https://github.com/krconv>`__
 - `krikk (@krikk) <https://github.com/krikk>`__
 - `KristopherMackowiak (@KristopherMackowiak) <https://github.com/KristopherMackowiak>`__
-- `Stefan Rado (@kroimon) <https://github.com/kroimon>`__
+- `kroimon (@kroimon) <https://github.com/kroimon>`__
 - `krunkel (@krunkel) <https://github.com/krunkel>`__
 - `Kendell R (@KTibow) <https://github.com/KTibow>`__
 - `Jakub Šimo (@kubik369) <https://github.com/kubik369>`__
@@ -550,7 +551,7 @@ Contributors
 - `Leandro Puerari (@puerari) <https://github.com/puerari>`__
 - `puuu (@puuu) <https://github.com/puuu>`__
 - `Qc (@qc24) <https://github.com/qc24>`__
-- `qqgg231 (@qqgg231) <https://github.com/qqgg231>`__
+- `Karol Zlot (@qqgg231) <https://github.com/qqgg231>`__
 - `Tommy Jonsson (@quazzie) <https://github.com/quazzie>`__
 - `Quentin Stafford-Fraser (@quentinsf) <https://github.com/quentinsf>`__
 - `Quinn Hosler (@quinnhosler) <https://github.com/quinnhosler>`__
@@ -628,7 +629,6 @@ Contributors
 - `Luca Zimmermann (@soundstorm) <https://github.com/soundstorm>`__
 - `Sourabh Jaiswal (@sourabhjaiswal) <https://github.com/sourabhjaiswal>`__
 - `Philip Allgaier (@spacegaier) <https://github.com/spacegaier>`__
-- `spattinson (@spattinson) <https://github.com/spattinson>`__
 - `Stephan Peijnik-Steinwender (@speijnik) <https://github.com/speijnik>`__
 - `spilin (@spilin) <https://github.com/spilin>`__
 - `square99 (@square99) <https://github.com/square99>`__
@@ -696,7 +696,7 @@ Contributors
 - `Seppel Hardt (@tuxBurner) <https://github.com/tuxBurner>`__
 - `Thorsten von Eicken (@tve) <https://github.com/tve>`__
 - `Tyler Menezes (@tylermenezes) <https://github.com/tylermenezes>`__
-- `wuuker (@ukewea) <https://github.com/ukewea>`__
+- `ukewea (@ukewea) <https://github.com/ukewea>`__
 - `Vc (@Valcob) <https://github.com/Valcob>`__
 - `Nad (@valordk) <https://github.com/valordk>`__
 - `Víctor Ferrer García (@vicfergar) <https://github.com/vicfergar>`__
@@ -734,4 +734,4 @@ Contributors
 - `ZTX18 (@ZTX18) <https://github.com/ZTX18>`__
 - `Christian Zufferey (@zuzu59) <https://github.com/zuzu59>`__
 
-*This page was last updated October 22, 2021.*
+*This page was last updated October 27, 2021.*