diff --git a/cnpg/resources/cluster.yaml b/cnpg/resources/cluster.yaml
index 0378d20..d57614a 100644
--- a/cnpg/resources/cluster.yaml
+++ b/cnpg/resources/cluster.yaml
@@ -6,6 +6,10 @@ metadata:
 spec:
   instances: 2
 
+  postgresql:
+    parameters:
+      max_connections: 150
+
   managed:
     roles:
       - name: ext_pgo_admin