diff --git a/renovate.json b/renovate.json
index 1766469..9e6fe64 100644
--- a/renovate.json
+++ b/renovate.json
@@ -5,6 +5,7 @@
     "config:best-practices",
     ":ignoreUnstable"
   ],
+  "semanticCommits": "disabled",
   "packageRules": [
     // Create a package rule for grouping all stable non-major dependency updates together.
     // A combination of/inspired by:
diff --git a/resources/chaosknoten/tickets/docker_compose/compose.yaml.j2 b/resources/chaosknoten/tickets/docker_compose/compose.yaml.j2
index 6509a99..97bc070 100644
--- a/resources/chaosknoten/tickets/docker_compose/compose.yaml.j2
+++ b/resources/chaosknoten/tickets/docker_compose/compose.yaml.j2
@@ -25,7 +25,7 @@ services:
       backend:
 
   pretix:
-    image: docker.io/pretix/standalone:2024.8
+    image: docker.io/pretix/standalone:2025.8@sha256:21048b37b641ff50320984fc80a9fdf84fbfb37efc7d28484e7ac3ab0e64537a
     command: ["all"]
     ports:
       - "8345:80"