diff --git a/helm/charts/duo_facility_proposals/templates/cronjob.yaml b/helm/charts/duo_facility_proposals/templates/cronjob.yaml
index ebb0f714..f97caf5a 100644
--- a/helm/charts/duo_facility_proposals/templates/cronjob.yaml
+++ b/helm/charts/duo_facility_proposals/templates/cronjob.yaml
@@ -1,5 +1,5 @@
 {{- $list := include "duo_facility_proposals.facilities_schedule" . | fromYaml}}
-{{- range $_ := $list.duo_facilities }}
+{{- range $duo_facility := $list.duo_facilities }}
 {{- $facility := dict "fullname" (include "duo_facility_proposals.fullname" $) "name" .name "year" .year }}
 apiVersion: batch/v1
 kind: CronJob
@@ -12,6 +12,9 @@ spec:
   schedule: {{ .schedule | default $.Values.cronjob.schedule | quote }}
   jobTemplate:
     spec:
+      {{- with $.Values.cronjob.ttlSecondsAfterFinished }}
+      ttlSecondsAfterFinished: {{ $duo_facility.ttlSecondsAfterFinished | default . }}
+      {{- end }}
       template:
         metadata:
           labels: {{ include "duo_facility_proposals.labels" $ | nindent 12 }}
diff --git a/helm/configs/proposals/production/values.yaml b/helm/configs/proposals/production/values.yaml
index 70648f4f..af2fed13 100644
--- a/helm/configs/proposals/production/values.yaml
+++ b/helm/configs/proposals/production/values.yaml
@@ -5,8 +5,10 @@ duo_facilities:
    schedule: 0 2 * * 4
  - name: sls
    schedule: 0 3 * * 1,3,5
+   ttlSecondsAfterFinished: 345600 # 4 (3+1 of buffer) days
  - name: swissfel
    schedule: 0 4 * * 1,3,5
+   ttlSecondsAfterFinished: 345600 # 4 (3+1 of buffer) days
  - name: smus
    schedule: 0 5 * * 4
  - name: sinq
diff --git a/helm/configs/proposals/qa/values.yaml b/helm/configs/proposals/qa/values.yaml
index a76c4ccd..50df187d 100644
--- a/helm/configs/proposals/qa/values.yaml
+++ b/helm/configs/proposals/qa/values.yaml
@@ -5,8 +5,10 @@ duo_facilities:
    schedule: 0 2 * * 2
  - name: sls
    schedule: 30 3 * * 1,3,5
+   ttlSecondsAfterFinished: 345600 # 4 (3+1 of buffer) days
  - name: swissfel
    schedule: 30 4 * * 1,3,5
+   ttlSecondsAfterFinished: 345600 # 4 (3+1 of buffer) days
  - name: smus
    schedule: 0 5 * * 2
  - name: sinq
diff --git a/helm/configs/proposals/values.yaml b/helm/configs/proposals/values.yaml
index b80712a7..d35e069c 100644
--- a/helm/configs/proposals/values.yaml
+++ b/helm/configs/proposals/values.yaml
@@ -23,3 +23,6 @@ volumeMounts:
   - name: secrets-volume
     mountPath: /usr/src/proposals/.env
     subPath: .env
+
+cronjob:
+  ttlSecondsAfterFinished: 691200 # 8 days (7+1 of buffer)