diff --git a/README.md b/README.md
index cc8c9908..27e760ac 100644
--- a/README.md
+++ b/README.md
@@ -43,7 +43,7 @@ Default is `https://kroki.io`
 docker compose up --build
 ```
 
-Then open http://localhost:8000
+Then open http://localhost:3000
 
 ## Setup
 
diff --git a/docker-compose.yml b/docker-compose.yml
index 66c6233d..68a47332 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -7,5 +7,5 @@ services:
     volumes:
       - ./src:/app/src
     ports:
-      - 8080:8080
+      - 3000:3000
       - 24678:24678