diff --git a/tests/end2end/features/test_prompts_bdd.py b/tests/end2end/features/test_prompts_bdd.py
index 9297d1d29..c08405d3e 100644
--- a/tests/end2end/features/test_prompts_bdd.py
+++ b/tests/end2end/features/test_prompts_bdd.py
@@ -49,11 +49,14 @@ def fresh_instance(quteproc):
     # Qt6.8 by default will remember feature grants or denies. When we are
     # on PyQt6.8 we disable that with the new API, otherwise restart the
     # browser to make it forget previous prompts.
+    #
+    # Qt 6.10 Beta 4 accidentally persists some permissions;
+    # WORKAROUND for https://bugreports.qt.io/browse/QTBUG-140194
     if (
         qtutils.version_check("6.8", compiled=False)
         and PYQT_WEBENGINE_VERSION
         and PYQT_WEBENGINE_VERSION < 0x60800
-    ):
+    ) or qtutils.version_check("6.10", compiled=False, exact=True):
         quteproc.terminate()
         quteproc.start()