diff --git a/examples/corelib/ipc/localfortuneclient/client.cpp b/examples/corelib/ipc/localfortuneclient/client.cpp
index dcc7e0f0c24..8336728f790 100644
--- a/examples/corelib/ipc/localfortuneclient/client.cpp
+++ b/examples/corelib/ipc/localfortuneclient/client.cpp
@@ -33,7 +33,7 @@ Client::Client(QWidget *parent)
     buttonBox->addButton(quitButton, QDialogButtonBox::RejectRole);
 
     in.setDevice(socket);
-    in.setVersion(QDataStream::Qt_5_10);
+    in.setVersion(QDataStream::Qt_6_0);
 
     connect(hostLineEdit, &QLineEdit::textChanged,
             this, &Client::enableGetFortuneButton);
diff --git a/examples/corelib/ipc/localfortuneserver/server.cpp b/examples/corelib/ipc/localfortuneserver/server.cpp
index 68ce037a485..dcf13b0f379 100644
--- a/examples/corelib/ipc/localfortuneserver/server.cpp
+++ b/examples/corelib/ipc/localfortuneserver/server.cpp
@@ -59,7 +59,7 @@ void Server::sendFortune()
 {
     QByteArray block;
     QDataStream out(&block, QIODevice::WriteOnly);
-    out.setVersion(QDataStream::Qt_5_10);
+    out.setVersion(QDataStream::Qt_6_0);
     const int fortuneIndex = QRandomGenerator::global()->bounded(0, fortunes.size());
     const QString &message = fortunes.at(fortuneIndex);
     out << quint32(message.size());