diff --git a/badhouseplants/values/values.prometheus.yaml b/badhouseplants/values/values.prometheus.yaml
index 712e0d7..1a78e62 100644
--- a/badhouseplants/values/values.prometheus.yaml
+++ b/badhouseplants/values/values.prometheus.yaml
@@ -64,7 +64,8 @@ defaultRules:
 prometheus:
   prometheusSpec:
     enableAdminAPI: true
-    retentionSize: 10GB
+    retentionSize: 7GB
+    retention: 20d
     podMonitorNamespaceSelector:
       any: true
     podMonitorSelector: {}