diff --git a/compose.yaml b/compose.yaml
index c4fa3b1..21181f3 100644
--- a/compose.yaml
+++ b/compose.yaml
@@ -7,11 +7,11 @@ services:
     environment:
       # Uncomment the following line to disable HTTPS,
       #SERVER_NAME: ':80'
-      MERCURE_PUBLISHER_JWT_KEY: '!ChangeThisMercureHubJWTSecretKey!'
-      MERCURE_SUBSCRIBER_JWT_KEY: '!ChangeThisMercureHubJWTSecretKey!'
+      MERCURE_PUBLISHER_JWT_KEY: '!ChangeThisMercureJWTSignedBySymfonySecretKey!'
+      MERCURE_SUBSCRIBER_JWT_KEY: '!ChangeThisMercureJWTSignedBySymfonySecretKey!'
       # Set the URL of your Symfony project (without trailing slash!) as value of the cors_origins directive
       MERCURE_EXTRA_DIRECTIVES: |
-        cors_origins http://127.0.0.1:8000
+        cors_origins http://localhost:8080
     # Comment the following line to disable the development mode
     command: /usr/bin/caddy run --config /etc/caddy/dev.Caddyfile
     healthcheck:
diff --git a/config/packages/mercure.yaml b/config/packages/mercure.yaml
index 11dbcda..a4c87b7 100644
--- a/config/packages/mercure.yaml
+++ b/config/packages/mercure.yaml
@@ -3,4 +3,6 @@ mercure:
         default:
             url: '%env(MERCURE_URL)%'
             public_url: '%env(MERCURE_PUBLIC_URL)%'
-            jwt: '%env(MERCURE_JWT_SECRET)%'
+            jwt:
+                secret: '%env(MERCURE_JWT_SECRET)%'
+                publish: ['*']
diff --git a/docker/compose.yaml b/docker/compose.yaml
index b37ede0..23b5f35 100644
--- a/docker/compose.yaml
+++ b/docker/compose.yaml
@@ -63,8 +63,8 @@ services:
     container_name: escapepage-mercure
     environment:
       SERVER_NAME: ":80"
-      MERCURE_PUBLISHER_JWT_KEY: ${MERCURE_JWT_SECRET:-!ChangeThisMercureJWT!}
-      MERCURE_SUBSCRIBER_JWT_KEY: ${MERCURE_JWT_SECRET:-!ChangeThisMercureJWT!}
+      MERCURE_PUBLISHER_JWT_KEY: '!ChangeThisMercureJWTSignedBySymfonySecretKey!'
+      MERCURE_SUBSCRIBER_JWT_KEY: '!ChangeThisMercureJWTSignedBySymfonySecretKey!'
       MERCURE_CORS_ALLOWED_ORIGINS: http://localhost:8080
       MERCURE_PUBLISH_ALLOWED_ORIGINS: http://localhost:8080
       MERCURE_EXTRA_DIRECTIVES: |