diff --git a/docker-compose.yml b/docker-compose.yml
index 9a91058..ba49ee1 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -1,4 +1,4 @@
-version: "2.2"
+version: "3"
 
 services:
  app:
@@ -10,6 +10,7 @@ services:
   command: python3 webserver.py
   environment:
     - PYTHONPATH=/app
+    - PYTHONUNBUFFERED=1
   networks:
    - default
    - traefik_net
@@ -23,6 +24,7 @@ services:
   image: docker.clkl.de/ma/celery:0.4.1
   environment:
     - PYTHONPATH=/app
+    - PYTHONUNBUFFERED=1
   volumes:
     - ./:/app
     - ./data/results:/data/results