diff --git a/charts/postgres-operator/crds/postgresqls.yaml b/charts/postgres-operator/crds/postgresqls.yaml
index 4b0acd394..c5dcfd247 100644
--- a/charts/postgres-operator/crds/postgresqls.yaml
+++ b/charts/postgres-operator/crds/postgresqls.yaml
@@ -323,6 +323,7 @@ spec:
                         - "10"
                         - "11"
                         - "12"
+                        - "13"
                     parameters:
                       type: object
                       additionalProperties:
diff --git a/pkg/apis/acid.zalan.do/v1/crds.go b/pkg/apis/acid.zalan.do/v1/crds.go
index da11aa04d..79332d597 100644
--- a/pkg/apis/acid.zalan.do/v1/crds.go
+++ b/pkg/apis/acid.zalan.do/v1/crds.go
@@ -414,6 +414,9 @@ var PostgresCRDResourceValidation = apiextv1.CustomResourceValidation{
 									{
 										Raw: []byte(`"12"`),
 									},
+									{
+										Raw: []byte(`"13"`),
+									},
 								},
 							},
 							"parameters": {