diff --git a/chart/templates/crds.yaml b/chart/templates/crds.yaml
index 9e4608f..b02938b 100644
--- a/chart/templates/crds.yaml
+++ b/chart/templates/crds.yaml
@@ -2629,6 +2629,7 @@ spec:
                   additionalProperties:
                     type: string
                   description: The labels of snapshot
+                  nullable: true
                   type: object
                 volume:
                   description: the volume that this snapshot belongs to. This field is immutable after creation. Required
diff --git a/deploy/longhorn.yaml b/deploy/longhorn.yaml
index 06f7ed0..8ffdd97 100644
--- a/deploy/longhorn.yaml
+++ b/deploy/longhorn.yaml
@@ -2785,6 +2785,7 @@ spec:
                   additionalProperties:
                     type: string
                   description: The labels of snapshot
+                  nullable: true
                   type: object
                 volume:
                   description: the volume that this snapshot belongs to. This field is immutable after creation. Required