diff --git a/stdlib/ast.pyi b/stdlib/ast.pyi
index 377138141..b8f4fb054 100644
--- a/stdlib/ast.pyi
+++ b/stdlib/ast.pyi
@@ -140,6 +140,7 @@ class NodeVisitor:
         def visit_Match(self, node: Match) -> Any: ...
         def visit_MatchValue(self, node: MatchValue) -> Any: ...
         def visit_MatchSequence(self, node: MatchSequence) -> Any: ...
+        def visit_MatchSingleton(self, node: MatchSingleton) -> Any: ...
         def visit_MatchStar(self, node: MatchStar) -> Any: ...
         def visit_MatchMapping(self, node: MatchMapping) -> Any: ...
         def visit_MatchClass(self, node: MatchClass) -> Any: ...