diff --git a/playbooks/templates/chaosknoten/configs/hackertours/compose.yaml.j2 b/playbooks/templates/chaosknoten/configs/hackertours/compose.yaml.j2
index e9f054f..5f065bd 100644
--- a/playbooks/templates/chaosknoten/configs/hackertours/compose.yaml.j2
+++ b/playbooks/templates/chaosknoten/configs/hackertours/compose.yaml.j2
@@ -1,6 +1,4 @@
 ---
-version: "3.6"
-
 services:
   database:
     image: docker.io/library/postgres:15-alpine
@@ -27,7 +25,7 @@ services:
       backend:
 
   pretix:
-    image: docker.io/pretix/standalone:2023.10.0
+    image: docker.io/pretix/standalone:2024.7
     command: ["all"]
     ports:
       - "8345:80"