diff --git a/k8s/operators/kube-prometheus/prometheus-patch.yaml b/k8s/operators/kube-prometheus/prometheus-patch.yaml
index cb75e38..a1c831d 100644
--- a/k8s/operators/kube-prometheus/prometheus-patch.yaml
+++ b/k8s/operators/kube-prometheus/prometheus-patch.yaml
@@ -1,3 +1,11 @@
+- op: add
+  path: /spec/storage
+  value:
+    volumeClaimTemplate:
+      spec:
+        resources:
+          requests:
+            storage: 40Gi
 - op: add
   path: /spec/additionalScrapeConfigs
   value:
@@ -24,4 +32,4 @@
       spec:
         resources:
           requests:
-            storage: 20Gi
+            storage: 50Gi