diff --git a/manifests/databases/postgres-cluster.yaml b/manifests/databases/postgres-cluster.yaml
index 18f544c..a232b15 100644
--- a/manifests/databases/postgres-cluster.yaml
+++ b/manifests/databases/postgres-cluster.yaml
@@ -3,10 +3,10 @@ kind: Cluster
 metadata:
   name: postgres
 spec:
-  instances: 3
+  instances: 1
   enablePDB: false
   storage:
-    size: 40Gi
+    size: 100Gi
   primaryUpdateStrategy: unsupervised
 
   managed:
diff --git a/manifests/gitea/postgres.yaml b/manifests/gitea/postgres.yaml
index 4fbba69..f96abcd 100644
--- a/manifests/gitea/postgres.yaml
+++ b/manifests/gitea/postgres.yaml
@@ -31,10 +31,10 @@ kind: Cluster
 metadata:
   name: postgres
 spec:
-  instances: 3
+  instances: 1
   enablePDB: false
   storage:
-    size: 40Gi
+    size: 100Gi
   primaryUpdateStrategy: unsupervised
 
   managed: