diff --git a/quaddtype/numpy_quaddtype/__init__.pyi b/quaddtype/numpy_quaddtype/__init__.pyi
index ae9aa25c..b86824e7 100644
--- a/quaddtype/numpy_quaddtype/__init__.pyi
+++ b/quaddtype/numpy_quaddtype/__init__.pyi
@@ -36,6 +36,8 @@ __all__ = [
     "get_quadblas_version",
 ]
 
+__version__: Final[str] = ...
+
 def SleefQuadPrecision(value: _IntoQuad) -> QuadPrecision: ...
 def LongDoubleQuadPrecision(value: _IntoQuad) -> QuadPrecision: ...
 def SleefQuadPrecDType() -> QuadPrecDType: ...