diff --git a/Taskfile.yml b/Taskfile.yml
index 3d195788..dff6c902 100644
--- a/Taskfile.yml
+++ b/Taskfile.yml
@@ -86,7 +86,7 @@ tasks:
       # renovate: datasource=git-refs depName=crd-gen-refs lookupName=https://github.com/cloudnative-pg/daggerverse currentValue=main
       DAGGER_CRDGENREF_SHA: ee59e34a99940e45f87a16177b1d640975b05b74
       # renovate: datasource=go depName=github.com/elastic/crd-ref-docs
-      CRDREFDOCS_VERSION: v0.2.0
+      CRDREFDOCS_VERSION: v0.3.0
     cmds:
       - >
         GITHUB_REF= dagger -s call -m github.com/cloudnative-pg/daggerverse/crd-ref-docs@${DAGGER_CRDGENREF_SHA}
diff --git a/hack/crd-gen-refs/config.yaml b/hack/crd-gen-refs/config.yaml
index 74b20519..c633246d 100644
--- a/hack/crd-gen-refs/config.yaml
+++ b/hack/crd-gen-refs/config.yaml
@@ -1,9 +1,6 @@
 processor:
   ignoreGroupVersions:
     - "GVK"
-  customMarkers:
-    - name: "optional"
-      target: field
   ignoreFields:
 #    - "status$"
     - "TypeMeta$"
diff --git a/hack/crd-gen-refs/markdown/type.tpl b/hack/crd-gen-refs/markdown/type.tpl
index 525f7c11..fc42594a 100644
--- a/hack/crd-gen-refs/markdown/type.tpl
+++ b/hack/crd-gen-refs/markdown/type.tpl
@@ -31,7 +31,7 @@ _Appears in:_
 {{ end -}}
 
 {{ range $type.Members -}}
-| `{{ .Name  }}` _{{ markdownRenderType .Type }}_ | {{ template "type_members" . }} | {{ if not .Markers.optional -}}True{{- end }} | {{ markdownRenderDefault .Default }} | {{ range .Validation -}} {{ markdownRenderFieldDoc . }} <br />{{ end }} |
+| `{{ .Name  }}` _{{ markdownRenderType .Type }}_ | {{ template "type_members" . }} | {{ if not .Markers.optional -}}True{{- end }} | {{ markdownRenderDefault .Default }} | {{ range .Validation -}}{{- $v := markdownRenderFieldDoc . }}{{- if and $v (ne $v "Optional: \\{\\}") -}} {{ $v }} <br />{{ end }}{{- end }} |
 {{ end -}}
 
 {{ end -}}