diff --git a/README.md b/README.md
index b7096fa3..79ce7bb9 100644
--- a/README.md
+++ b/README.md
@@ -718,10 +718,10 @@ SOFTWARE.
 [bookstack-armhf-shield]: https://img.shields.io/badge/armhf-yes-green.svg
 [bookstack-armv7-shield]: https://img.shields.io/badge/armv7-yes-green.svg
 [bookstack-i386-shield]: https://img.shields.io/badge/i386-yes-green.svg
-[addon-esphome]: https://github.com/esphome/hassio/tree/v2021.12.1
-[addon-doc-esphome]: https://github.com/esphome/hassio/blob/v2021.12.1/README.md
+[addon-esphome]: https://github.com/esphome/hassio/tree/v2021.12.3
+[addon-doc-esphome]: https://github.com/esphome/hassio/blob/v2021.12.3/README.md
 [esphome-issue]: https://github.com/esphome/hassio/issues
-[esphome-version-shield]: https://img.shields.io/badge/version-v2021.12.1-blue.svg
+[esphome-version-shield]: https://img.shields.io/badge/version-v2021.12.3-blue.svg
 [esphome-aarch64-shield]: https://img.shields.io/badge/aarch64-yes-green.svg
 [esphome-amd64-shield]: https://img.shields.io/badge/amd64-yes-green.svg
 [esphome-armhf-shield]: https://img.shields.io/badge/armhf-no-red.svg
diff --git a/esphome/config.json b/esphome/config.json
index a267faba..75327bd3 100644
--- a/esphome/config.json
+++ b/esphome/config.json
@@ -39,5 +39,5 @@
   "stage": "experimental",
   "uart": true,
   "url": "https://beta.esphome.io/",
-  "version": "2021.12.1"
-}
+  "version": "2021.12.3"
+}
\ No newline at end of file