diff --git a/manifest/overlays/production/toolhive-registry-postgres.yaml b/manifest/overlays/production/toolhive-registry-postgres.yaml
index 2070734..f95febb 100644
--- a/manifest/overlays/production/toolhive-registry-postgres.yaml
+++ b/manifest/overlays/production/toolhive-registry-postgres.yaml
@@ -4,7 +4,7 @@ metadata:
   name: toolhive-reg-pg
   namespace: toolhive-system
 spec:
-  instances: 2
+  instances: 1
   storage:
     storageClass: local-postgres
     size: 8Gi