diff --git a/tox.ini b/tox.ini
index 7b2a1df..6d5a09b 100644
--- a/tox.ini
+++ b/tox.ini
@@ -22,7 +22,7 @@ setenv =
 deps =
     {env:PYQT_PYPI_NAME:PyQt5}=={env:PYQT_PYPI_VERSION:5.15.*}
     {env:WEBENGINE_PYPI_NAME:PyQtWebEngine}=={env:WEBENGINE_PYPI_VERSION:5.15.*}
-    oldest: numpy~=1.21.0  # some older version
+    oldest: numpy~=1.22.0  # some older version
     oldest: orange3==3.34.0
     oldest: orange-canvas-core==0.1.28
     oldest: orange-widget-base==4.19.0