diff --git a/services/monitoring/helmrelease.yaml b/services/monitoring/helmrelease.yaml
index 704b91d9..0914c2ac 100644
--- a/services/monitoring/helmrelease.yaml
+++ b/services/monitoring/helmrelease.yaml
@@ -71,7 +71,7 @@ spec:
 
       persistentVolume:
         enabled: true
-        size: 250Gi
+        size: 100Gi
 
       # Enable built-in Kubernetes scraping
       scrape: