diff --git a/loki-stack-values.yaml b/loki-stack-values.yaml
index ec15c24..cc988bb 100644
--- a/loki-stack-values.yaml
+++ b/loki-stack-values.yaml
@@ -1,5 +1,14 @@
+# https://grafana.com/docs/loki/latest/operations/storage/retention/
 loki:
   persistence:
     enabled: true
     storageClassName: "%PVC_STORAGECLASS%"
     size: "%PVC_STORAGE_SIZE%"
+  config:
+    compactor:
+      retention_enabled: true
+      retention_delete_delay: "2h"
+      compaction_interval: "20m"
+      retention_delete_worker_count: 10
+    limits_config:
+      retention_period: "168h"