diff --git a/helm/openneuro/values-production.yaml b/helm/openneuro/values-production.yaml
index a5245fd5aa..d8613d27be 100644
--- a/helm/openneuro/values-production.yaml
+++ b/helm/openneuro/values-production.yaml
@@ -52,7 +52,7 @@ workerZone: us-west1-c
 # Assigned volumes for each worker (max 64TB)
 workerDiskSize:
   - id: projects/hs-openneuro/zones/us-west1-c/disks/openneuro-prod-datasets-0
-    size: 32000Gi
+    size: 36000Gi
   - id: projects/hs-openneuro/zones/us-west1-c/disks/openneuro-prod-datasets-1
     size: 28000Gi
   - id: projects/hs-openneuro/zones/us-west1-c/disks/openneuro-prod-datasets-2