diff --git a/stubs/pyinstaller/PyInstaller/compat.pyi b/stubs/pyinstaller/PyInstaller/compat.pyi
index 02a3113ffe6f..dd51f4aeb530 100644
--- a/stubs/pyinstaller/PyInstaller/compat.pyi
+++ b/stubs/pyinstaller/PyInstaller/compat.pyi
@@ -29,6 +29,7 @@ is_solar: Final[bool]
 is_aix: Final[bool]
 is_freebsd: Final[bool]
 is_openbsd: Final[bool]
+is_netbsd: Final[bool]
 is_hpux: Final[bool]
 is_unix: Final[bool]
 is_musl: Final[bool]