diff --git a/stdlib/math.pyi b/stdlib/math.pyi
index 231964f39..4a4d592b8 100644
--- a/stdlib/math.pyi
+++ b/stdlib/math.pyi
@@ -112,7 +112,10 @@ def log1p(__x: _SupportsFloatOrIndex) -> float: ...
 def log2(__x: _SupportsFloatOrIndex) -> float: ...
 def modf(__x: _SupportsFloatOrIndex) -> tuple[float, float]: ...
 
-if sys.version_info >= (3, 9):
+if sys.version_info >= (3, 12):
+    def nextafter(__x: _SupportsFloatOrIndex, __y: _SupportsFloatOrIndex, *, steps: SupportsIndex | None = None) -> float: ...
+
+elif sys.version_info >= (3, 9):
     def nextafter(__x: _SupportsFloatOrIndex, __y: _SupportsFloatOrIndex) -> float: ...
 
 if sys.version_info >= (3, 8):
@@ -130,6 +133,10 @@ def radians(__x: _SupportsFloatOrIndex) -> float: ...
 def remainder(__x: _SupportsFloatOrIndex, __y: _SupportsFloatOrIndex) -> float: ...
 def sin(__x: _SupportsFloatOrIndex) -> float: ...
 def sinh(__x: _SupportsFloatOrIndex) -> float: ...
+
+if sys.version_info >= (3, 12):
+    def sumprod(__p: Iterable[float], __q: Iterable[float]) -> float: ...
+
 def sqrt(__x: _SupportsFloatOrIndex) -> float: ...
 def tan(__x: _SupportsFloatOrIndex) -> float: ...
 def tanh(__x: _SupportsFloatOrIndex) -> float: ...