diff --git a/tests/auto/network/access/qnetworkreply/BLACKLIST b/tests/auto/network/access/qnetworkreply/BLACKLIST
index d4c83bc40b..f546f38b9e 100644
--- a/tests/auto/network/access/qnetworkreply/BLACKLIST
+++ b/tests/auto/network/access/qnetworkreply/BLACKLIST
@@ -22,6 +22,9 @@ windows
 windows
 [ioPostToHttpFromSocket]
 windows
+# QTBUG-66247
+[ioHttpRedirect]
+windows
 [ioHttpRedirectMultipartPost]
 linux
 [ioHttpRedirectPolicy]
diff --git a/tests/auto/network/socket/qtcpsocket/BLACKLIST b/tests/auto/network/socket/qtcpsocket/BLACKLIST
index 96e59e5678..d724897b74 100644
--- a/tests/auto/network/socket/qtcpsocket/BLACKLIST
+++ b/tests/auto/network/socket/qtcpsocket/BLACKLIST
@@ -8,4 +8,6 @@ windows
 windows
 [timeoutConnect:ip]
 windows
-]
+# QTBUG-66247
+[taskQtBug5799ConnectionErrorEventLoop]
+windows