diff --git a/stable/concourse/Chart.yaml b/stable/concourse/Chart.yaml
index b365ffe182..642628256b 100644
--- a/stable/concourse/Chart.yaml
+++ b/stable/concourse/Chart.yaml
@@ -1,6 +1,6 @@
 apiVersion: v1
 name: concourse
-version: 8.0.0
+version: 8.0.1
 appVersion: 5.3.0
 description: Concourse is a simple and scalable CI system.
 icon: https://avatars1.githubusercontent.com/u/7809479
diff --git a/stable/concourse/templates/worker-statefulset.yaml b/stable/concourse/templates/worker-statefulset.yaml
index 7e53e8eb82..bb63fc5cd4 100644
--- a/stable/concourse/templates/worker-statefulset.yaml
+++ b/stable/concourse/templates/worker-statefulset.yaml
@@ -51,12 +51,17 @@ spec:
           image: "{{ .Values.image }}:{{ .Values.imageTag }}"
           {{- end }}
           imagePullPolicy: {{ .Values.imagePullPolicy | quote }}
+          securityContext:
+            privileged: true
           command:
-            - /bin/sh
+            - /bin/bash
           args:
             - -ce
             - |-
-              rm -rf {{ .Values.concourse.worker.workDir }}/*
+              for v in $((btrfs subvolume list --sort=-ogen "{{ .Values.concourse.worker.workDir }}" || true) | awk '{print $9}'); do
+                (btrfs subvolume show "{{ .Values.concourse.worker.workDir }}/$v" && btrfs subvolume delete "{{ .Values.concourse.worker.workDir }}/$v") || true
+              done
+              rm -rf "{{ .Values.concourse.worker.workDir }}/*"
           volumeMounts:
             - name: concourse-work-dir
               mountPath: {{ .Values.concourse.worker.workDir | quote }}