diff --git a/src/mumble/BanEditor.cpp b/src/mumble/BanEditor.cpp
index fd5adc4ec9c..079e586401e 100644
--- a/src/mumble/BanEditor.cpp
+++ b/src/mumble/BanEditor.cpp
@@ -13,6 +13,8 @@
 
 #include <cassert>
 
+#include <QtCore/QTimeZone>
+
 BanEditor::BanEditor(const MumbleProto::BanList &msg, QWidget *p) : QDialog(p), maskDefaultValue(32) {
 	setupUi(this);
 
@@ -28,7 +30,11 @@ BanEditor::BanEditor(const MumbleProto::BanList &msg, QWidget *p) : QDialog(p),
 		b.qsHash     = u8(be.hash());
 		b.qsReason   = u8(be.reason());
 		b.qdtStart   = QDateTime::fromString(u8(be.start()), Qt::ISODate);
+#if QT_VERSION >= QT_VERSION_CHECK(6, 5, 0)
+		b.qdtStart.setTimeZone(QTimeZone::UTC);
+#else
 		b.qdtStart.setTimeSpec(Qt::UTC);
+#endif
 		if (!b.qdtStart.isValid())
 			b.qdtStart = QDateTime::currentDateTime();
 		b.iDuration = be.duration();
diff --git a/src/mumble/PluginUpdater.cpp b/src/mumble/PluginUpdater.cpp
index fd529eff30e..2a0d7bd99d4 100644
--- a/src/mumble/PluginUpdater.cpp
+++ b/src/mumble/PluginUpdater.cpp
@@ -70,7 +70,13 @@ void PluginUpdater::promptAndUpdate() {
 
 	setWindowIcon(QIcon(QLatin1String("skin:mumble.svg")));
 
+#if QT_VERSION >= QT_VERSION_CHECK(6, 7, 0)
+	// checkStateChanged was introduced in Qt 6.7
+	QObject::connect(qcbSelectAll, &QCheckBox::checkStateChanged, this, &PluginUpdater::on_selectAll);
+#else
 	QObject::connect(qcbSelectAll, &QCheckBox::stateChanged, this, &PluginUpdater::on_selectAll);
+#endif
+
 	QObject::connect(this, &QDialog::finished, this, &PluginUpdater::on_finished);
 
 	if (exec() == QDialog::Accepted) {
@@ -117,7 +123,12 @@ void PluginUpdater::populateUI() {
 		UpdateWidgetPair pair = { checkBox, urlLabel };
 		m_pluginUpdateWidgets << pair;
 
+#if QT_VERSION >= QT_VERSION_CHECK(6, 7, 0)
+		// checkStateChanged was introduced in Qt 6.7
+		QObject::connect(checkBox, &QCheckBox::checkStateChanged, this, &PluginUpdater::on_singleSelectionChanged);
+#else
 		QObject::connect(checkBox, &QCheckBox::stateChanged, this, &PluginUpdater::on_singleSelectionChanged);
+#endif
 	}
 
 	// sort the plugins alphabetically
@@ -147,7 +158,11 @@ void PluginUpdater::clearUI() {
 	}
 }
 
+#if QT_VERSION >= QT_VERSION_CHECK(6, 7, 0)
+void PluginUpdater::on_selectAll(Qt::CheckState checkState) {
+#else
 void PluginUpdater::on_selectAll(int checkState) {
+#endif
 	// failsafe for partially selected state (shouldn't happen though)
 	if (checkState == Qt::PartiallyChecked) {
 		checkState = Qt::Unchecked;
@@ -161,7 +176,11 @@ void PluginUpdater::on_selectAll(int checkState) {
 	}
 }
 
+#if QT_VERSION >= QT_VERSION_CHECK(6, 7, 0)
+void PluginUpdater::on_singleSelectionChanged(Qt::CheckState checkState) {
+#else
 void PluginUpdater::on_singleSelectionChanged(int checkState) {
+#endif
 	bool isChecked = checkState == Qt::Checked;
 
 	// Block signals for the selectAll checkBox in order to not trigger its
diff --git a/src/mumble/PluginUpdater.h b/src/mumble/PluginUpdater.h
index 32185f5bd8b..bf996c6b55b 100644
--- a/src/mumble/PluginUpdater.h
+++ b/src/mumble/PluginUpdater.h
@@ -84,10 +84,17 @@ class PluginUpdater : public QDialog, public Ui::PluginUpdater {
 public slots:
 	/// Clears the UI from the widgets created for the individual plugins.
 	void clearUI();
+#if QT_VERSION >= QT_VERSION_CHECK(6, 7, 0)
+	/// Slot triggered if the user changes the state of the selectAll CheckBox.
+	void on_selectAll(Qt::CheckState checkState);
+	/// Slot triggered if the user toggles the CheckBox for any individual plugin.
+	void on_singleSelectionChanged(Qt::CheckState checkState);
+#else
 	/// Slot triggered if the user changes the state of the selectAll CheckBox.
 	void on_selectAll(int checkState);
 	/// Slot triggered if the user toggles the CheckBox for any individual plugin.
 	void on_singleSelectionChanged(int checkState);
+#endif
 	/// Slot triggered when the dialog is being closed.
 	void on_finished(int result);
 	/// Slot that can be triggered to ask for the update process to be interrupted.
diff --git a/src/mumble/SocketRPC.cpp b/src/mumble/SocketRPC.cpp
index dfea98c57d1..410c70c0c12 100644
--- a/src/mumble/SocketRPC.cpp
+++ b/src/mumble/SocketRPC.cpp
@@ -73,7 +73,11 @@ void SocketRPCClient::readyRead() {
 
 void SocketRPCClient::processXml() {
 	QDomDocument qdd;
+#if QT_VERSION >= QT_VERSION_CHECK(6, 5, 0)
+	qdd.setContent(qbaOutput, QDomDocument::ParseOption::Default);
+#else
 	qdd.setContent(qbaOutput, false);
+#endif
 
 	QDomElement request = qdd.firstChildElement();
 
diff --git a/src/mumble/UserListModel.cpp b/src/mumble/UserListModel.cpp
index eb4d95e363b..b3f04d0443c 100644
--- a/src/mumble/UserListModel.cpp
+++ b/src/mumble/UserListModel.cpp
@@ -17,6 +17,8 @@
 
 #include <vector>
 
+#include <QtCore/QTimeZone>
+
 UserListModel::UserListModel(const MumbleProto::UserList &userList, QObject *parent_)
 	: QAbstractTableModel(parent_), m_legacyMode(false) {
 	m_userList.reserve(userList.users_size());
@@ -296,6 +298,10 @@ QString UserListModel::pathForChannelId(const unsigned int channelId) const {
 
 QDateTime UserListModel::isoUTCToDateTime(const std::string &isoTime) const {
 	QDateTime dt = QDateTime::fromString(u8(isoTime), Qt::ISODate);
+#if QT_VERSION >= QT_VERSION_CHECK(6, 5, 0)
+	dt.setTimeZone(QTimeZone::UTC);
+#else
 	dt.setTimeSpec(Qt::UTC);
+#endif
 	return dt;
 }