diff --git a/dists/interfaces/CellFrame/Chain.pyi b/dists/interfaces/CellFrame/Chain.pyi
index 8e319a894cbdf8edba963d4a9923cac9fdd69e5f..7baf6380c56efd15e9bd308b328250c6769dd548 100644
--- a/dists/interfaces/CellFrame/Chain.pyi
+++ b/dists/interfaces/CellFrame/Chain.pyi
@@ -54,6 +54,10 @@ class Chain(Protocol):
     def addAtomNotify(*args):
         pass
 
+    @staticmethod
+    def addAtomConfirmedNotify(*args):
+        pass
+
     @staticmethod
     def atomFindByHash(*args):
         pass