diff --git a/otc/dev.t09.de/stacks/garm/sizer-receiver/deployment.yaml b/otc/dev.t09.de/stacks/garm/sizer-receiver/deployment.yaml
index 91a1049..3cbd5f8 100644
--- a/otc/dev.t09.de/stacks/garm/sizer-receiver/deployment.yaml
+++ b/otc/dev.t09.de/stacks/garm/sizer-receiver/deployment.yaml
@@ -16,6 +16,8 @@ spec:
       labels:
         app: sizer-receiver
     spec:
+      securityContext:
+        fsGroup: 65534
       containers:
         - name: receiver
           image: edp.buildth.ing/devfw-cicd/forgejo-runner-sizer-receiver:latest