diff --git a/config/clusters/pangeo-hubs/support.values.yaml b/config/clusters/pangeo-hubs/support.values.yaml
index 7135427f75..33e2ec9ce0 100644
--- a/config/clusters/pangeo-hubs/support.values.yaml
+++ b/config/clusters/pangeo-hubs/support.values.yaml
@@ -25,6 +25,9 @@ prometheusIngressAuthSecret:
 
 prometheus:
   server:
+    # Bumped as part of https://github.com/2i2c-org/infrastructure/issues/4632
+    persistentVolume:
+      size: 500Gi
     ingress:
       enabled: true
       hosts: