diff --git a/prometheus-operator/application.yml b/prometheus-operator/application.yml
index c54feee..e97ce0f 100644
--- a/prometheus-operator/application.yml
+++ b/prometheus-operator/application.yml
@@ -94,7 +94,7 @@ spec:
   probeSelector: {}
   ruleNamespaceSelector: {}
   ruleSelector: {}
-  retentionSize: 80GB
+  retentionSize: 8GB
   storage:
     volumeClaimTemplate:
       spec:
@@ -102,7 +102,7 @@ spec:
         - ReadWriteOnce
         resources:
           requests:
-            storage: 100Gi
+            storage: 10Gi
         storageClassName: local-path
 ---
 apiVersion: v1