diff --git a/README.md b/README.md
index 0bb2bd3..176451f 100644
--- a/README.md
+++ b/README.md
@@ -751,6 +751,10 @@ All the image tags, configurations, environment variables and application option
 * 👷 Add GitHub Action for Docker Hub description. PR [#108](https://github.com/tiangolo/uvicorn-gunicorn-starlette-docker/pull/108) by [@tiangolo](https://github.com/tiangolo).
 * ⬆️ Update mypy requirement from ^0.971 to ^0.991. PR [#103](https://github.com/tiangolo/uvicorn-gunicorn-starlette-docker/pull/103) by [@dependabot[bot]](https://github.com/apps/dependabot).
 
+#### Upgrades
+
+* ⬆️ Bump gunicorn from 20.1.0 to 21.2.0. PR [#128](https://github.com/tiangolo/uvicorn-gunicorn-starlette-docker/pull/128) by [@dependabot[bot]](https://github.com/apps/dependabot).
+
 #### Internal
 
 * ⬆ Bump actions/setup-python from 4 to 5. PR [#141](https://github.com/tiangolo/uvicorn-gunicorn-starlette-docker/pull/141) by [@dependabot[bot]](https://github.com/apps/dependabot).