diff --git a/CHANGELOG.md b/CHANGELOG.md
index f5d39ff06..3a48bd088 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,12 @@
+# [v2.11.21](https://github.com/traefik/traefik/tree/v2.11.21) (2025-02-24)
+[All Commits](https://github.com/traefik/traefik/compare/v2.11.20...v2.11.21)
+
+**Bug fixes:**
+- **[acme]** Bump github.com/go-acme/lego/v4 to v4.22.2 ([#11537](https://github.com/traefik/traefik/pull/11537) by [ldez](https://github.com/ldez))
+- **[cli]** Bump github.com/traefik/paerser to v0.2.2 ([#11530](https://github.com/traefik/traefik/pull/11530) by [kevinpollet](https://github.com/kevinpollet))
+- **[middleware]** Enable the retry middleware in the proxy ([#11536](https://github.com/traefik/traefik/pull/11536) by [kevinpollet](https://github.com/kevinpollet))
+- **[middleware]** Retry should send headers on Write ([#11534](https://github.com/traefik/traefik/pull/11534) by [kevinpollet](https://github.com/kevinpollet))
+
 ## [v2.11.20](https://github.com/traefik/traefik/tree/v2.11.20) (2025-01-31)
 [All Commits](https://github.com/traefik/traefik/compare/v2.11.19...v2.11.20)
 
diff --git a/script/gcg/traefik-bugfix.toml b/script/gcg/traefik-bugfix.toml
index 77ae402b1..9f83b4d2e 100644
--- a/script/gcg/traefik-bugfix.toml
+++ b/script/gcg/traefik-bugfix.toml
@@ -4,11 +4,11 @@ RepositoryName = "traefik"
 OutputType = "file"
 FileName = "traefik_changelog.md"
 
-# example new bugfix v2.11.20
+# example new bugfix v2.11.21
 CurrentRef = "v2.11"
-PreviousRef = "v2.11.19"
+PreviousRef = "v2.11.20"
 BaseBranch = "v2.11"
-FutureCurrentRefName = "v2.11.20"
+FutureCurrentRefName = "v2.11.21"
 
 ThresholdPreviousRef = 10
 ThresholdCurrentRef = 10