diff --git a/celery-stubs/canvas.pyi b/celery-stubs/canvas.pyi
index dcf7460..6f630bb 100644
--- a/celery-stubs/canvas.pyi
+++ b/celery-stubs/canvas.pyi
@@ -18,6 +18,10 @@ _F = TypeVar("_F", bound=Callable[..., Any])
 _R = TypeVar("_R")
 
 class Signature(dict[str, Any], Generic[_R]):
+    @classmethod
+    def from_dict(
+        cls, d: dict[str, Any], app: Celery | None = ...
+    ) -> Signature[Any]: ...
     def __init__(
         self,
         task: Task[Any, _R] | str | None = ...,