diff --git a/rest_framework-stubs/validators.pyi b/rest_framework-stubs/validators.pyi
index 5cf4cd228..b176aa0d1 100644
--- a/rest_framework-stubs/validators.pyi
+++ b/rest_framework-stubs/validators.pyi
@@ -51,7 +51,7 @@ class ProhibitSurrogateCharactersValidator:
     def __call__(self, value: Any) -> None: ...
 
 class BaseUniqueForValidator:
-    message: StrOrPromise
+    message: StrOrPromise | None
     missing_message: StrOrPromise
     requires_context: bool
     queryset: QuerySet
diff --git a/scripts/stubtest/allowlist_todo.txt b/scripts/stubtest/allowlist_todo.txt
index 9b407de32..c147184d6 100644
--- a/scripts/stubtest/allowlist_todo.txt
+++ b/scripts/stubtest/allowlist_todo.txt
@@ -106,7 +106,6 @@ rest_framework.test.APIClient.options
 rest_framework.test.RequestsClient.__init__
 rest_framework.throttling.SimpleRateThrottle.cache
 rest_framework.utils.encoders.JSONEncoder.default
-rest_framework.validators.BaseUniqueForValidator.message
 rest_framework.validators.ContextValidator
 rest_framework.validators.Validator
 rest_framework.views.APIView.metadata_class