diff --git a/app/vmalert/notifier/alertmanager.go b/app/vmalert/notifier/alertmanager.go
index 8d1abbb831..b6e228b643 100644
--- a/app/vmalert/notifier/alertmanager.go
+++ b/app/vmalert/notifier/alertmanager.go
@@ -101,7 +101,7 @@ func (am *AlertManager) send(ctx context.Context, alerts []Alert, headers map[st
 	if *showNotifierURL {
 		amURL = am.addr.String()
 	}
-	if resp.StatusCode != http.StatusOK {
+	if resp.StatusCode/100 != 2 {
 		body, err := io.ReadAll(resp.Body)
 		if err != nil {
 			return fmt.Errorf("failed to read response from %q: %w", amURL, err)
diff --git a/docs/CHANGELOG.md b/docs/CHANGELOG.md
index 1184b51ca3..bc3772642e 100644
--- a/docs/CHANGELOG.md
+++ b/docs/CHANGELOG.md
@@ -16,6 +16,7 @@ The following `tip` changes can be tested by building VictoriaMetrics components
 * BUGFIX: [vmalert](https://docs.victoriametrics.com/vmalert.html): set correct `endsAt` value in notifications sent to the Alertmanager. Previously, a rule with evaluation intervals lower than 10s could never be triggered. See [this issue](https://github.com/VictoriaMetrics/VictoriaMetrics/issues/5995) for details.
 * BUGFIX: [vmalert](https://docs.victoriametrics.com/vmalert.html): properly account for `-rule.resendDelay` for alerting rules that are constantly switching state from inactive to firing. Before, notifications for such rules could have been skipped if state change happened more often than `-rule.resendDelay`. See [this pull request](https://github.com/VictoriaMetrics/VictoriaMetrics/pull/6028) for details.
 * BUGFIX: [vmalert](https://docs.victoriametrics.com/vmalert.html): respect `-remoteWrite.maxBatchSize` at shutdown period. See [this issue](https://github.com/VictoriaMetrics/VictoriaMetrics/issues/6025). Thanks to @jiekun for [the pull request](https://github.com/VictoriaMetrics/VictoriaMetrics/pull/6039).
+* BUGFIX: [vmalert](https://docs.victoriametrics.com/vmalert.html): supported any status codes from the range 200-299 from alertmanager. Previously, only 200 status code considered a successful action. See [this issue](https://github.com/VictoriaMetrics/VictoriaMetrics/issues/6110).
 
 ## [v1.93.13](https://github.com/VictoriaMetrics/VictoriaMetrics/releases/tag/v1.93.13)