diff --git a/caddy/go.mod b/caddy/go.mod
index 1a9a7079..c44b9ed3 100644
--- a/caddy/go.mod
+++ b/caddy/go.mod
@@ -18,7 +18,7 @@ replace (
 
 require (
 	github.com/caddyserver/caddy/v2 v2.7.5
-	github.com/dunglas/mercure v0.15.5
+	github.com/dunglas/mercure v0.15.6
 	github.com/prometheus/client_golang v1.17.0
 	github.com/stretchr/testify v1.8.4
 	go.uber.org/automaxprocs v1.5.3
diff --git a/charts/mercure/Chart.yaml b/charts/mercure/Chart.yaml
index 3fbd979b..443342e9 100644
--- a/charts/mercure/Chart.yaml
+++ b/charts/mercure/Chart.yaml
@@ -12,8 +12,8 @@ keywords:
 - streaming-api
 - async-api
 type: application
-version: 0.15.5
-appVersion: "v0.15.5"
+version: 0.15.6
+appVersion: "v0.15.6"
 maintainers:
   - name: dunglas
     email: kevin@dunglas.fr
diff --git a/charts/mercure/README.md b/charts/mercure/README.md
index 13becb05..fe084972 100644
--- a/charts/mercure/README.md
+++ b/charts/mercure/README.md
@@ -1,7 +1,7 @@
 <!-- markdownlint-disable -->
 # Mercure Chart for Kubernetes
 
-![Version: 0.15.5](https://img.shields.io/badge/Version-0.15.5-informational?style=flat-square) ![Type: application](https://img.shields.io/badge/Type-application-informational?style=flat-square) ![AppVersion: v0.15.5](https://img.shields.io/badge/AppVersion-v0.15.5-informational?style=flat-square)
+![Version: 0.15.6](https://img.shields.io/badge/Version-0.15.6-informational?style=flat-square) ![Type: application](https://img.shields.io/badge/Type-application-informational?style=flat-square) ![AppVersion: v0.15.6](https://img.shields.io/badge/AppVersion-v0.15.6-informational?style=flat-square)
 
 A Helm chart to install a Mercure Hub in a Kubernetes cluster. Mercure is a protocol to push data updates to web browsers and other HTTP clients in a convenient, fast, reliable and battery-efficient way.