diff --git a/README.md b/README.md
index eb0d8d7c..16d131e5 100644
--- a/README.md
+++ b/README.md
@@ -732,10 +732,10 @@ 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/2021.9.0b2
-[addon-doc-esphome]: https://github.com/esphome/hassio/blob/2021.9.0b2/README.md
+[addon-esphome]: https://github.com/esphome/hassio/tree/2021.9.0b3
+[addon-doc-esphome]: https://github.com/esphome/hassio/blob/2021.9.0b3/README.md
 [esphome-issue]: https://github.com/esphome/hassio/issues
-[esphome-version-shield]: https://img.shields.io/badge/version-2021.9.0b2-blue.svg
+[esphome-version-shield]: https://img.shields.io/badge/version-2021.9.0b3-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 7f39099c..a501bda0 100644
--- a/esphome/config.json
+++ b/esphome/config.json
@@ -39,5 +39,5 @@
   "stage": "experimental",
   "uart": true,
   "url": "https://beta.esphome.io/",
-  "version": "2021.9.0b2"
+  "version": "2021.9.0b3"
 }
\ No newline at end of file