diff --git a/Dockerfile b/Dockerfile
index 365c16b..ba244b4 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -7,7 +7,7 @@ RUN npm ci --only=production
 COPY . .
 RUN mkdir -p assets/deck-images && chmod +x entrypoint.sh
 
-EXPOSE 3000
+EXPOSE 3333
 ENV NODE_ENV=production
 
 ENTRYPOINT ["./entrypoint.sh"]
diff --git a/docker-compose.yml b/docker-compose.yml
index 3c52be8..2c8bee8 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -2,9 +2,9 @@ services:
   colony:
     build: .
     ports:
-      - "3000:3000"
+      - "3333:3333"
     environment:
-      - PORT=3000
+      - PORT=3333
       - ADMIN_PASSWORD=changeme
     volumes:
       - ./data/colony.json:/app/colony.json
diff --git a/server.js b/server.js
index 031814b..e188c95 100644
--- a/server.js
+++ b/server.js
@@ -5,7 +5,7 @@ const fs = require('fs')
 const path = require('path')
 
 const app = express()
-const PORT = process.env.PORT || 3000
+const PORT = process.env.PORT || 3333
 const ADMIN_PASSWORD = process.env.ADMIN_PASSWORD || ''
 
 // Stateless admin token: hmac(timestamp, secret). Valid 24h.