diff --git a/CHANGELOG.md b/CHANGELOG.md
index 9e0fbf03c..7906983d3 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,9 @@
+## [v3.2.5](https://github.com/traefik/traefik/tree/v3.2.5) (2025-01-07)
+[All Commits](https://github.com/traefik/traefik/compare/v3.2.4...v3.2.5)
+
+**Bug fixes:**
+- **[websocket,server]** Disable http2 connect setting for websocket by default ([#11408](https://github.com/traefik/traefik/pull/11408) by [rtribotte](https://github.com/rtribotte))
+
 ## [v3.3.0](https://github.com/traefik/traefik/tree/v3.3.0) (2025-01-06)
 [All Commits](https://github.com/traefik/traefik/compare/v3.2.0-rc1...v3.3.0)
 
diff --git a/cmd/traefik/traefik.go b/cmd/traefik/traefik.go
index bb037208d..588e320ff 100644
--- a/cmd/traefik/traefik.go
+++ b/cmd/traefik/traefik.go
@@ -27,6 +27,7 @@ import (
 	"github.com/traefik/traefik/v3/cmd"
 	"github.com/traefik/traefik/v3/cmd/healthcheck"
 	cmdVersion "github.com/traefik/traefik/v3/cmd/version"
+	_ "github.com/traefik/traefik/v3/init"
 	tcli "github.com/traefik/traefik/v3/pkg/cli"
 	"github.com/traefik/traefik/v3/pkg/collector"
 	"github.com/traefik/traefik/v3/pkg/config/dynamic"
diff --git a/init/init.go b/init/init.go
new file mode 100644
index 000000000..e54655d0f
--- /dev/null
+++ b/init/init.go
@@ -0,0 +1,21 @@
+package init
+
+import (
+	"os"
+	"strings"
+)
+
+// This makes use of the GODEBUG flag `http2xconnect` to deactivate the connect setting for HTTP2 by default.
+// This type of upgrade is yet incompatible with `net/http` http1 reverse proxy.
+// Please see https://github.com/golang/go/issues/71128#issuecomment-2574193636.
+func init() {
+	goDebug := os.Getenv("GODEBUG")
+	if strings.Contains(goDebug, "http2xconnect") {
+		return
+	}
+
+	if len(goDebug) > 0 {
+		goDebug += ","
+	}
+	os.Setenv("GODEBUG", goDebug+"http2xconnect=0")
+}
diff --git a/script/gcg/traefik-bugfix.toml b/script/gcg/traefik-bugfix.toml
index 5656b8bb4..0059c5ef5 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 v3.2.4
+# example new bugfix v3.2.5
 CurrentRef = "v3.2"
-PreviousRef = "v3.2.3"
+PreviousRef = "v3.2.4"
 BaseBranch = "v3.2"
-FutureCurrentRefName = "v3.2.4"
+FutureCurrentRefName = "v3.2.5"
 
 ThresholdPreviousRef = 10
 ThresholdCurrentRef = 10