diff --git a/api/v1alpha1/clientprofile_types.go b/api/v1alpha1/clientprofile_types.go
index 707295ce..ac6919f1 100644
--- a/api/v1alpha1/clientprofile_types.go
+++ b/api/v1alpha1/clientprofile_types.go
@@ -31,6 +31,10 @@ type CephFsConfigSpec struct {
 
 	//+kubebuilder:validation:Optional
 	FuseMountOptions map[string]string `json:"fuseMountOptions,omitempty"`
+
+	//+kubebuilder:validation:XValidation:rule="self == oldSelf",message="Value is immutable"
+	//+kubebuilder:validation:Optional
+	RadosNamespace string `json:"radosNamespace,omitempty"`
 }
 
 // RbdConfigSpec defines the desired RBD configuration
diff --git a/config/crd/bases/csi.ceph.io_clientprofiles.yaml b/config/crd/bases/csi.ceph.io_clientprofiles.yaml
index b15f9d2a..152adcaf 100644
--- a/config/crd/bases/csi.ceph.io_clientprofiles.yaml
+++ b/config/crd/bases/csi.ceph.io_clientprofiles.yaml
@@ -74,6 +74,11 @@ spec:
                     additionalProperties:
                       type: string
                     type: object
+                  radosNamespace:
+                    type: string
+                    x-kubernetes-validations:
+                    - message: Value is immutable
+                      rule: self == oldSelf
                   subVolumeGroup:
                     type: string
                 type: object
diff --git a/deploy/all-in-one/install.yaml b/deploy/all-in-one/install.yaml
index 0e58d129..fc25cc32 100644
--- a/deploy/all-in-one/install.yaml
+++ b/deploy/all-in-one/install.yaml
@@ -222,6 +222,11 @@ spec:
                     additionalProperties:
                       type: string
                     type: object
+                  radosNamespace:
+                    type: string
+                    x-kubernetes-validations:
+                    - message: Value is immutable
+                      rule: self == oldSelf
                   subVolumeGroup:
                     type: string
                 type: object
diff --git a/deploy/multifile/crd.yaml b/deploy/multifile/crd.yaml
index 3155f0a4..69c6ab2b 100644
--- a/deploy/multifile/crd.yaml
+++ b/deploy/multifile/crd.yaml
@@ -213,6 +213,11 @@ spec:
                     additionalProperties:
                       type: string
                     type: object
+                  radosNamespace:
+                    type: string
+                    x-kubernetes-validations:
+                    - message: Value is immutable
+                      rule: self == oldSelf
                   subVolumeGroup:
                     type: string
                 type: object
diff --git a/vendor/github.com/ceph/ceph-csi-operator/api/v1alpha1/clientprofile_types.go b/vendor/github.com/ceph/ceph-csi-operator/api/v1alpha1/clientprofile_types.go
index 707295ce..ac6919f1 100644
--- a/vendor/github.com/ceph/ceph-csi-operator/api/v1alpha1/clientprofile_types.go
+++ b/vendor/github.com/ceph/ceph-csi-operator/api/v1alpha1/clientprofile_types.go
@@ -31,6 +31,10 @@ type CephFsConfigSpec struct {
 
 	//+kubebuilder:validation:Optional
 	FuseMountOptions map[string]string `json:"fuseMountOptions,omitempty"`
+
+	//+kubebuilder:validation:XValidation:rule="self == oldSelf",message="Value is immutable"
+	//+kubebuilder:validation:Optional
+	RadosNamespace string `json:"radosNamespace,omitempty"`
 }
 
 // RbdConfigSpec defines the desired RBD configuration