diff --git a/charts/postgres-operator/values-crd.yaml b/charts/postgres-operator/values-crd.yaml
index 903520fad..0c21ccade 100644
--- a/charts/postgres-operator/values-crd.yaml
+++ b/charts/postgres-operator/values-crd.yaml
@@ -281,7 +281,7 @@ configConnectionPool:
   # default pooling mode
   connection_pool_mode: "transaction"
   # number of pooler instances
-  connection_pool_number_of_instances: 1
+  connection_pool_number_of_instances: 2
   # default resources
   connection_pool_default_cpu_request: "1"
   connection_pool_default_memory_request: "100Mi"
diff --git a/manifests/postgresql-operator-default-configuration.yaml b/manifests/postgresql-operator-default-configuration.yaml
index be7643892..83f5692de 100644
--- a/manifests/postgresql-operator-default-configuration.yaml
+++ b/manifests/postgresql-operator-default-configuration.yaml
@@ -129,6 +129,6 @@ configuration:
     connection_pool_image: "registry.opensource.zalan.do/acid/pgbouncer:master-5"
     # connection_pool_max_db_connections: 60
     connection_pool_mode: "transaction"
-    connection_pool_number_of_instances: 1
+    connection_pool_number_of_instances: 2
     # connection_pool_schema: "pooler"
     # connection_pool_user: "pooler"
diff --git a/pkg/util/config/config.go b/pkg/util/config/config.go
index 31abdb13e..3f8b5b9d5 100644
--- a/pkg/util/config/config.go
+++ b/pkg/util/config/config.go
@@ -86,7 +86,7 @@ type LogicalBackup struct {
 
 // Operator options for connection pooler
 type ConnectionPool struct {
-	NumberOfInstances            *int32 `name:"connection_pool_number_of_instances" default:"1"`
+	NumberOfInstances            *int32 `name:"connection_pool_number_of_instances" default:"2"`
 	Schema                       string `name:"connection_pool_schema" default:"pooler"`
 	User                         string `name:"connection_pool_user" default:"pooler"`
 	Image                        string `name:"connection_pool_image" default:"registry.opensource.zalan.do/acid/pgbouncer:master-5"`