diff --git a/.forgejo/workflows/lint.yaml b/.forgejo/workflows/lint.yaml
index 1002532..3c64472 100644
--- a/.forgejo/workflows/lint.yaml
+++ b/.forgejo/workflows/lint.yaml
@@ -24,7 +24,7 @@ jobs:
       # work in our environmnet.
       # Rather manually setup python (pip) before instead.
       - name: Run ansible-lint
-        uses: https://github.com/ansible/ansible-lint@v24.10.0
+        uses: https://github.com/ansible/ansible-lint@4ce8e497d462cf73b4d4fac1e97b4ace4f317dcc # v24.12.2
         with:
           setup_python: "false"
           requirements_file: "requirements.yml"
diff --git a/resources/chaosknoten/tickets/docker_compose/compose.yaml.j2 b/resources/chaosknoten/tickets/docker_compose/compose.yaml.j2
index 6509a99..a777df0 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:2024.11@sha256:a70a2e8611465311f965f2c72c195a1de0ed5fda75a7f96b35899d10ba2b8cbb
     command: ["all"]
     ports:
       - "8345:80"