diff --git a/manifests/prometheus/prometheus.yaml b/manifests/prometheus/prometheus.yaml
index 17e881f..9773158 100644
--- a/manifests/prometheus/prometheus.yaml
+++ b/manifests/prometheus/prometheus.yaml
@@ -22,7 +22,7 @@ spec:
         storageClassName: redundant-storage-class
         resources:
           requests:
-            storage: 5Gi
+            storage: 10Gi
   securityContext:
     runAsNonRoot: true
     fsGroup: 2000