diff --git a/pysvf/pysvf.pyi b/pysvf/pysvf.pyi
index 97315ee..8da22a4 100644
--- a/pysvf/pysvf.pyi
+++ b/pysvf/pysvf.pyi
@@ -1841,6 +1841,8 @@ class IntervalValue:
     @overload
     def __init__(self, lb: int, ub: int) -> None: ...
     @overload
+    def __init__(self, lb: float, ub: float) -> None: ...
+    @overload
     def __init__(self, lb: BoundedInt, ub: BoundedInt) -> None: ...
     @overload
     def __init__(self, val: int) -> None: ...