diff --git a/tox.ini b/tox.ini
index e79a9e3..5f83953 100644
--- a/tox.ini
+++ b/tox.ini
@@ -21,7 +21,9 @@ setenv =
 deps =
     latest: tensorflow>=2.2.3
     released: tensorflow>=2.2.3
-    oldest: tensorflow~=2.11.0
+    oldest: tensorflow~=2.11.0;platform_system!='Darwin
+    # for arm64 oldest tests
+    oldest: tensorflow~=2.13.0;platform_system=='Darwin
     coverage
     {env:PYQT_PYPI_NAME:PyQt5}=={env:PYQT_PYPI_VERSION:5.15.*}
     {env:WEBENGINE_PYPI_NAME:PyQtWebEngine}=={env:WEBENGINE_PYPI_VERSION:5.15.*}