diff --git a/chapter-5/aleph/docker-compose.yml b/chapter-5/aleph/docker-compose.yml
index 8ff61a4..b4ac869 100644
--- a/chapter-5/aleph/docker-compose.yml
+++ b/chapter-5/aleph/docker-compose.yml
@@ -26,7 +26,7 @@ services:
       - redis-data:/data
 
   ingest-file:
-    image: ghcr.io/alephdata/ingest-file:3.19.3
+    image: ghcr.io/alephdata/ingest-file:3.20.3
     tmpfs:
       - /tmp:mode=777
     volumes:
@@ -39,7 +39,7 @@ services:
       - aleph.env
 
   worker:
-    image: ghcr.io/alephdata/aleph:${ALEPH_TAG:-3.15.5}
+    image: ghcr.io/alephdata/aleph:${ALEPH_TAG:-3.15.6}
     command: aleph worker
     restart: on-failure
     depends_on:
@@ -55,7 +55,7 @@ services:
       - aleph.env
 
   shell:
-    image: ghcr.io/alephdata/aleph:${ALEPH_TAG:-3.15.5}
+    image: ghcr.io/alephdata/aleph:${ALEPH_TAG:-3.15.6}
     command: /bin/bash
     depends_on:
       - postgres
@@ -73,7 +73,8 @@ services:
       - aleph.env
 
   api:
-    image: ghcr.io/alephdata/aleph:${ALEPH_TAG:-3.15.5}
+    image: ghcr.io/alephdata/aleph:${ALEPH_TAG:-3.15.6}
+    command: gunicorn -w 6 -b 0.0.0.0:8000 --timeout 3600 --log-level debug --log-file - aleph.wsgi:app
     expose:
       - 8000
     depends_on:
@@ -90,7 +91,7 @@ services:
       - aleph.env
 
   ui:
-    image: ghcr.io/alephdata/aleph-ui-production:${ALEPH_TAG:-3.15.5}
+    image: ghcr.io/alephdata/aleph-ui-production:${ALEPH_TAG:-3.15.6}
     depends_on:
       - api
     ports: