diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index cd2849033..0908312b9 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -57,7 +57,7 @@ jobs:
       - name: Install setuptools
         run: sudo apt install python3-setuptools
       - name: Install PyRDP dependencies
-        run: sudo apt install libgl1-mesa-glx git python3-dev
+        run: sudo apt install libgl1-mesa-glx libegl1 git python3-dev
       - name: Install wheel
         working-directory: .
         run: pip install wheel
diff --git a/Dockerfile b/Dockerfile
index 695cb1101..ab392b5b3 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -49,7 +49,7 @@ RUN apt-get update && apt-get install -y --no-install-recommends python3 \
         # Required for the setup.py install and progressbar (required by pyrdp-convert)
         python3-distutils \
         # GUI and notifications stuff
-        libgl1-mesa-glx libxcb-xinerama0 \
+        libgl1-mesa-glx libegl1 libxcb-xinerama0 \
         libxcb-icccm4 libxcb-image0 libxcb-util1 libxcb-keysyms1 \
         libxcb-randr0 libxcb-render-util0 \
         libxkbcommon-x11-0 \
diff --git a/pyproject.toml b/pyproject.toml
index 69f2ad89c..69422df32 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -54,7 +54,7 @@ dependencies = [
 full = [
     'wheel>=0.34.2',
     'av>=8,<12',
-    'PySide2>=5.12,<6',
+    'PySide6>=6.3,<7',
     'qimage2ndarray>=1.6,<2',
     'py-notifier>=0.3.0',
     'win10toast>=0.9;platform_system=="Windows"',
diff --git a/pyrdp/bin/convert.py b/pyrdp/bin/convert.py
index fd8e6ad74..bbe2685bc 100755
--- a/pyrdp/bin/convert.py
+++ b/pyrdp/bin/convert.py
@@ -65,8 +65,8 @@ def main():
         sys.exit(1)
     elif HAS_GUI and args.format == "mp4":
         # Initialize QT because QBitmap will segfault without it (#378, #428)
-        from PySide2.QtWidgets import QApplication
-        app = QApplication()
+        from PySide6.QtWidgets import QApplication
+        QApplication()
 
     logging.basicConfig(level=logging.CRITICAL)
     logging.getLogger("scapy").setLevel(logging.ERROR)
@@ -100,4 +100,4 @@ def main():
     sys.exit(exitCode)
 
 if __name__ == "__main__":
-    main()
\ No newline at end of file
+    main()
diff --git a/pyrdp/bin/player.py b/pyrdp/bin/player.py
index c70655bbe..23e5f1e06 100755
--- a/pyrdp/bin/player.py
+++ b/pyrdp/bin/player.py
@@ -32,7 +32,7 @@
 os.environ['QT_MAC_WANTS_LAYER']='1'
 if HAS_GUI:
     from pyrdp.player import MainWindow
-    from PySide2.QtWidgets import QApplication
+    from PySide6.QtWidgets import QApplication
 
 
 def enableNotifications(logger):
@@ -85,8 +85,8 @@ def main():
         enableNotifications(logger)
 
     if not HAS_GUI and not args.headless:
-        logger.error('Headless mode is not specified and PySide2 is not installed.'
-                     ' Install PySide2 to use the graphical user interface.')
+        logger.error('Headless mode is not specified and PySide6 is not installed.'
+                     ' Install PySide6 to use the graphical user interface.')
         sys.exit(127)
 
     if not args.headless:
diff --git a/pyrdp/convert/MP4EventHandler.py b/pyrdp/convert/MP4EventHandler.py
index fe19b9108..9a8509d1f 100644
--- a/pyrdp/convert/MP4EventHandler.py
+++ b/pyrdp/convert/MP4EventHandler.py
@@ -1,6 +1,6 @@
 #
 # This file is part of the PyRDP project.
-# Copyright (C) 2020-2021 GoSecure Inc.
+# Copyright (C) 2020-2023 GoSecure Inc.
 # Licensed under the GPLv3 or later.
 #
 
@@ -13,7 +13,7 @@
 
 import av
 import qimage2ndarray
-from PySide2.QtGui import QImage, QPainter, QColor
+from PySide6.QtGui import QImage, QPainter, QColor
 
 
 class MP4Image(ImageHandler):
diff --git a/pyrdp/player/AttackerBar.py b/pyrdp/player/AttackerBar.py
index 650080a4b..fd4f2c277 100644
--- a/pyrdp/player/AttackerBar.py
+++ b/pyrdp/player/AttackerBar.py
@@ -1,13 +1,13 @@
 #
 # This file is part of the PyRDP project.
-# Copyright (C) 2019 GoSecure Inc.
+# Copyright (C) 2019-2023 GoSecure Inc.
 # Licensed under the GPLv3 or later.
 #
 
 import logging
 
-from PySide2.QtCore import Signal
-from PySide2.QtWidgets import QHBoxLayout, QWidget, QSpacerItem, QSizePolicy
+from PySide6.QtCore import Signal
+from PySide6.QtWidgets import QHBoxLayout, QWidget, QSpacerItem, QSizePolicy
 
 from pyrdp.logging import LOGGER_NAMES
 from pyrdp.ui import PlayPauseButton
diff --git a/pyrdp/player/BaseTab.py b/pyrdp/player/BaseTab.py
index cacce8106..42751ea27 100644
--- a/pyrdp/player/BaseTab.py
+++ b/pyrdp/player/BaseTab.py
@@ -1,13 +1,13 @@
 #
 # This file is part of the PyRDP project.
-# Copyright (C) 2018-2020 GoSecure Inc.
+# Copyright (C) 2018-2023 GoSecure Inc.
 # Licensed under the GPLv3 or later.
 #
 
 import logging
 
-from PySide2.QtCore import Qt
-from PySide2.QtWidgets import QScrollArea, QTextEdit, QVBoxLayout, QWidget
+from PySide6.QtCore import Qt
+from PySide6.QtWidgets import QScrollArea, QTextEdit, QVBoxLayout, QWidget
 
 from pyrdp.logging import LOGGER_NAMES
 from pyrdp.ui import QRemoteDesktop
diff --git a/pyrdp/player/BaseWindow.py b/pyrdp/player/BaseWindow.py
index c4801ae58..915d7ebdf 100644
--- a/pyrdp/player/BaseWindow.py
+++ b/pyrdp/player/BaseWindow.py
@@ -1,14 +1,14 @@
 #
 # This file is part of the PyRDP project.
-# Copyright (C) 2018, 2019 GoSecure Inc.
+# Copyright (C) 2018-2023 GoSecure Inc.
 # Licensed under the GPLv3 or later.
 #
 
 import logging
 from typing import Dict
 
-from PySide2.QtGui import QKeySequence
-from PySide2.QtWidgets import QShortcut, QTabWidget, QWidget
+from PySide6.QtGui import QAction, QKeySequence
+from PySide6.QtWidgets import QTabWidget, QWidget
 
 from pyrdp.logging import LOGGER_NAMES
 
@@ -26,7 +26,12 @@ def __init__(self, options: Dict[str, object], parent: QWidget = None, maxTabCou
         self.tabCloseRequested.connect(self.onTabCloseRequest)
         self.log = logging.getLogger(LOGGER_NAMES.PLAYER)
         self.options = options
-        self.closeTabShortcut = QShortcut(QKeySequence("Ctrl+W"), self, self.onCtrlW)
+
+        # close Tab
+        closeTabAction = QAction("Close Tab", self)
+        closeTabAction.setShortcut(QKeySequence("Ctrl+W"))
+        closeTabAction.triggered.connect(self.onCtrlW)
+        self.addAction(closeTabAction)
 
     def onTabClosed(self, index: int):
         """
diff --git a/pyrdp/player/FileDownloadDialog.py b/pyrdp/player/FileDownloadDialog.py
index 405cd1ca4..7ad9b3313 100644
--- a/pyrdp/player/FileDownloadDialog.py
+++ b/pyrdp/player/FileDownloadDialog.py
@@ -1,11 +1,11 @@
 #
 # This file is part of the PyRDP project.
-# Copyright (C) 2019 GoSecure Inc.
+# Copyright (C) 2019, 2023 GoSecure Inc.
 # Licensed under the GPLv3 or later.
 #
-from PySide2.QtCore import QObject, Qt
-from PySide2.QtGui import QCloseEvent
-from PySide2.QtWidgets import QDialog, QLabel, QMessageBox, QProgressBar, QPushButton, QVBoxLayout
+from PySide6.QtCore import QObject, Qt
+from PySide6.QtGui import QCloseEvent
+from PySide6.QtWidgets import QDialog, QLabel, QMessageBox, QProgressBar, QPushButton, QVBoxLayout
 
 
 class FileDownloadDialog(QDialog):
@@ -110,4 +110,4 @@ def reportCompletion(self, error: int):
 
     def closeEvent(self, event: QCloseEvent):
         if not self.isComplete:
-            event.ignore()
\ No newline at end of file
+            event.ignore()
diff --git a/pyrdp/player/FileSystemItem.py b/pyrdp/player/FileSystemItem.py
index 6a5d129bd..f70a6d00f 100644
--- a/pyrdp/player/FileSystemItem.py
+++ b/pyrdp/player/FileSystemItem.py
@@ -1,13 +1,13 @@
 #
 # This file is part of the PyRDP project.
-# Copyright (C) 2019 GoSecure Inc.
+# Copyright (C) 2019, 2023 GoSecure Inc.
 # Licensed under the GPLv3 or later.
 #
 from typing import Dict
 
-from PySide2.QtCore import QObject
-from PySide2.QtGui import QIcon
-from PySide2.QtWidgets import QFileIconProvider, QListWidgetItem
+from PySide6.QtCore import QObject
+from PySide6.QtGui import QIcon
+from PySide6.QtWidgets import QFileIconProvider, QListWidgetItem
 
 from pyrdp.player.filesystem import FileSystemItemType
 
@@ -51,4 +51,4 @@ def __lt__(self, other: 'FileSystemItem'):
         if self.isDirectory() != other.isDirectory():
             return self.isDirectory()
 
-        return self.text().upper() < other.text().upper()
\ No newline at end of file
+        return self.text().upper() < other.text().upper()
diff --git a/pyrdp/player/FileSystemWidget.py b/pyrdp/player/FileSystemWidget.py
index aaee5895b..aa0d32e3a 100644
--- a/pyrdp/player/FileSystemWidget.py
+++ b/pyrdp/player/FileSystemWidget.py
@@ -1,14 +1,15 @@
 #
 # This file is part of the PyRDP project.
-# Copyright (C) 2019 GoSecure Inc.
+# Copyright (C) 2019, 2023 GoSecure Inc.
 # Licensed under the GPLv3 or later.
 #
 
 from pathlib import Path
 from typing import Optional
 
-from PySide2.QtCore import QObject, QPoint, Qt, Signal
-from PySide2.QtWidgets import QAction, QFileDialog, QFrame, QLabel, QListWidget, QMenu, QMessageBox, QVBoxLayout, QWidget
+from PySide6.QtCore import QObject, QPoint, Qt, Signal
+from PySide6.QtGui import QAction
+from PySide6.QtWidgets import QFileDialog, QFrame, QLabel, QListWidget, QMenu, QMessageBox, QVBoxLayout, QWidget
 
 from pyrdp.player.FileDownloadDialog import FileDownloadDialog
 from pyrdp.player.filesystem import Directory, DirectoryObserver, File, FileSystemItemType
@@ -217,7 +218,7 @@ def downloadDirectoryRecursively(self):
 
         dialog = None
         if directoryPath == "":
-            QMessageBox.critical(self, "Download folder", f"Please select a valid folder. Aborting download.")
+            QMessageBox.critical(self, "Download folder", "Please select a valid folder. Aborting download.")
             return
 
         directoryPath += f"/{selectedFolder.name}"
@@ -225,7 +226,7 @@ def downloadDirectoryRecursively(self):
         try:
             os.mkdir(directoryPath)
         except FileExistsError:
-            QMessageBox.critical(self, "Download folder", f"Folder already exist. Make sure to select an empty directory. Aborting download.")
+            QMessageBox.critical(self, "Download folder", "Folder already exist. Make sure to select an empty directory. Aborting download.")
             return
 
         dialog = FileDownloadDialog(remotePath, directoryPath, True, self)
diff --git a/pyrdp/player/LiveEventHandler.py b/pyrdp/player/LiveEventHandler.py
index 8635da4b3..aaccccb2a 100644
--- a/pyrdp/player/LiveEventHandler.py
+++ b/pyrdp/player/LiveEventHandler.py
@@ -1,14 +1,14 @@
 #
 # This file is part of the PyRDP project.
-# Copyright (C) 2019 GoSecure Inc.
+# Copyright (C) 2019, 2023 GoSecure Inc.
 # Licensed under the GPLv3 or later.
 #
 from logging import LoggerAdapter
 from pathlib import Path, PosixPath
 from typing import BinaryIO, Dict, Union
 
-from PySide2.QtCore import Signal
-from PySide2.QtWidgets import QTextEdit
+from PySide6.QtCore import Signal
+from PySide6.QtWidgets import QTextEdit
 
 from pyrdp.enum import DeviceType, PlayerPDUType
 from pyrdp.layer import PlayerLayer
@@ -96,7 +96,7 @@ def addToDownloadQueue(self, item: Union[File, Directory], targetPath: str, dial
 
         self.jobsQueue.add(job)
 
-        if self.currentDownload == None:
+        if self.currentDownload is None:
             self.dispatchDownload()
 
     def dispatchDownload(self):
diff --git a/pyrdp/player/LiveTab.py b/pyrdp/player/LiveTab.py
index cb5ec609a..9b97d661c 100644
--- a/pyrdp/player/LiveTab.py
+++ b/pyrdp/player/LiveTab.py
@@ -1,13 +1,13 @@
 #
 # This file is part of the PyRDP project.
-# Copyright (C) 2018-2020 GoSecure Inc.
+# Copyright (C) 2018-2023 GoSecure Inc.
 # Licensed under the GPLv3 or later.
 #
 
 import asyncio
 
-from PySide2.QtCore import Qt
-from PySide2.QtWidgets import QHBoxLayout, QWidget
+from PySide6.QtCore import Qt
+from PySide6.QtWidgets import QHBoxLayout, QWidget
 
 from pyrdp.mitm.PlayerLayerSet import AsyncIOPlayerLayerSet
 from pyrdp.player.AttackerBar import AttackerBar
diff --git a/pyrdp/player/LiveThread.py b/pyrdp/player/LiveThread.py
index 9fd4506f3..56223b39a 100644
--- a/pyrdp/player/LiveThread.py
+++ b/pyrdp/player/LiveThread.py
@@ -1,6 +1,6 @@
 #
 # This file is part of the PyRDP project.
-# Copyright (C) 2018 GoSecure Inc.
+# Copyright (C) 2018, 2023 GoSecure Inc.
 # Licensed under the GPLv3 or later.
 #
 
@@ -8,7 +8,7 @@
 import logging
 from typing import Callable
 
-from PySide2.QtCore import QThread
+from PySide6.QtCore import QThread
 
 from pyrdp.logging import LOGGER_NAMES
 
@@ -43,4 +43,4 @@ def stop(self):
         self.loop.call_soon_threadsafe(self.stopLoop)
 
     def stopLoop(self):
-        self.loop.stop()
\ No newline at end of file
+        self.loop.stop()
diff --git a/pyrdp/player/LiveWindow.py b/pyrdp/player/LiveWindow.py
index cdd7e3787..09df7a320 100644
--- a/pyrdp/player/LiveWindow.py
+++ b/pyrdp/player/LiveWindow.py
@@ -1,6 +1,6 @@
 #
 # This file is part of the PyRDP project.
-# Copyright (C) 2019, 2020 GoSecure Inc.
+# Copyright (C) 2019-2023 GoSecure Inc.
 # Licensed under the GPLv3 or later.
 #
 
@@ -8,8 +8,8 @@
 from queue import Queue
 from typing import Dict
 
-from PySide2.QtCore import Qt, Signal
-from PySide2.QtWidgets import QApplication, QFileIconProvider, QMessageBox, QWidget
+from PySide6.QtCore import Qt, Signal
+from PySide6.QtWidgets import QApplication, QFileIconProvider, QMessageBox, QWidget
 
 from pyrdp.player.BaseWindow import BaseWindow
 from pyrdp.player.LiveTab import LiveTab
diff --git a/pyrdp/player/MainWindow.py b/pyrdp/player/MainWindow.py
index 3f587e75a..1a4a2df62 100644
--- a/pyrdp/player/MainWindow.py
+++ b/pyrdp/player/MainWindow.py
@@ -1,12 +1,13 @@
 #
 # This file is part of the PyRDP project.
-# Copyright (C) 2018-2020 GoSecure Inc.
+# Copyright (C) 2018-2023 GoSecure Inc.
 # Licensed under the GPLv3 or later.
 #
 from typing import List
 
-from PySide2.QtCore import Qt, Signal
-from PySide2.QtWidgets import QAction, QFileDialog, QInputDialog, QMainWindow, QTabWidget
+from PySide6.QtCore import Qt, Signal
+from PySide6.QtGui import QAction
+from PySide6.QtWidgets import QFileDialog, QInputDialog, QMainWindow, QTabWidget
 
 from pyrdp.player import BaseTab
 from pyrdp.player.LiveWindow import LiveWindow
diff --git a/pyrdp/player/PlayerEventHandler.py b/pyrdp/player/PlayerEventHandler.py
index 5b128b0a9..7d7579816 100644
--- a/pyrdp/player/PlayerEventHandler.py
+++ b/pyrdp/player/PlayerEventHandler.py
@@ -1,12 +1,12 @@
 #
 # This file is part of the PyRDP project.
-# Copyright (C) 2018-2020 GoSecure Inc.
+# Copyright (C) 2018-2023 GoSecure Inc.
 # Licensed under the GPLv3 or later.
 #
 
-from PySide2.QtCore import QObject
-from PySide2.QtGui import QTextCursor
-from PySide2.QtWidgets import QTextEdit
+from PySide6.QtCore import QObject
+from PySide6.QtGui import QTextCursor
+from PySide6.QtWidgets import QTextEdit
 
 from pyrdp.pdu import PlayerPDU
 from pyrdp.enum import CapabilityType
@@ -15,7 +15,7 @@
 from pyrdp.logging import log
 
 
-class PlayerEventHandler(QObject, RenderingEventHandler):
+class PlayerEventHandler(RenderingEventHandler, QObject):
     """
     Qt Rendering Sink.
 
diff --git a/pyrdp/player/QTimerSequencer.py b/pyrdp/player/QTimerSequencer.py
index 4cbceebeb..932057569 100644
--- a/pyrdp/player/QTimerSequencer.py
+++ b/pyrdp/player/QTimerSequencer.py
@@ -1,10 +1,10 @@
 #
 # This file is part of the PyRDP project.
-# Copyright (C) 2019 GoSecure Inc.
+# Copyright (C) 2019, 2023 GoSecure Inc.
 # Licensed under the GPLv3 or later.
 #
 
-from PySide2.QtCore import QTimer
+from PySide6.QtCore import QTimer
 
 from pyrdp.core import Sequencer
 
@@ -15,4 +15,4 @@ class QTimerSequencer(Sequencer):
     """
 
     def wait(self, waitTime: int):
-        QTimer.singleShot(waitTime, self.run)
\ No newline at end of file
+        QTimer.singleShot(waitTime, self.run)
diff --git a/pyrdp/player/RDPMITMWidget.py b/pyrdp/player/RDPMITMWidget.py
index 7637049af..35d7002e8 100644
--- a/pyrdp/player/RDPMITMWidget.py
+++ b/pyrdp/player/RDPMITMWidget.py
@@ -1,6 +1,6 @@
 #
 # This file is part of the PyRDP project.
-# Copyright (C) 2019 GoSecure Inc.
+# Copyright (C) 2019, 2023 GoSecure Inc.
 # Licensed under the GPLv3 or later.
 #
 
@@ -10,9 +10,9 @@
 import time
 from typing import Optional, Union
 
-from PySide2.QtCore import QEvent, QObject, Qt
-from PySide2.QtGui import QKeyEvent, QMouseEvent, QWheelEvent
-from PySide2.QtWidgets import QWidget
+from PySide6.QtCore import QEvent, QObject, Qt
+from PySide6.QtGui import QKeyEvent, QMouseEvent, QWheelEvent
+from PySide6.QtWidgets import QWidget
 
 from pyrdp.enum import MouseButton
 from pyrdp.layer import PlayerLayer
@@ -46,7 +46,8 @@ def getTimetamp(self) -> int:
 
 
     def getMousePosition(self, event: Union[QMouseEvent, QWheelEvent]) -> (int, int):
-        return max(event.x(), 0), max(event.y(), 0)
+        pos = event.position()
+        return max(pos.x(), 0), max(pos.y(), 0)
 
     def mouseMoveEvent(self, event: QMouseEvent):
         if not self.handleEvents or not self.hasFocus():
diff --git a/pyrdp/player/ReplayBar.py b/pyrdp/player/ReplayBar.py
index aa1109bec..95d122f70 100644
--- a/pyrdp/player/ReplayBar.py
+++ b/pyrdp/player/ReplayBar.py
@@ -1,12 +1,12 @@
 #
 # This file is part of the PyRDP project.
-# Copyright (C) 2018-2020 GoSecure Inc.
+# Copyright (C) 2018-2023 GoSecure Inc.
 # Licensed under the GPLv3 or later.
 #
 import logging
 
-from PySide2.QtCore import Qt, Signal
-from PySide2.QtWidgets import QCheckBox, QHBoxLayout, QLabel, QSizePolicy, QSlider, QSpacerItem, \
+from PySide6.QtCore import Qt, Signal
+from PySide6.QtWidgets import QCheckBox, QHBoxLayout, QLabel, QSizePolicy, QSlider, QSpacerItem, \
     QVBoxLayout, QWidget
 
 from pyrdp.logging import LOGGER_NAMES
diff --git a/pyrdp/player/ReplayTab.py b/pyrdp/player/ReplayTab.py
index c32fc21dd..04c6075fc 100644
--- a/pyrdp/player/ReplayTab.py
+++ b/pyrdp/player/ReplayTab.py
@@ -1,13 +1,12 @@
 #
 # This file is part of the PyRDP project.
-# Copyright (C) 2019-2021 GoSecure Inc.
+# Copyright (C) 2019-2023 GoSecure Inc.
 # Licensed under the GPLv3 or later.
 #
-from PySide2.QtCore import Qt
-from PySide2.QtGui import QResizeEvent, QKeyEvent
-from PySide2.QtWidgets import QApplication, QWidget
+from PySide6.QtCore import Qt
+from PySide6.QtGui import QResizeEvent, QKeyEvent
+from PySide6.QtWidgets import QApplication, QWidget
 
-from pyrdp.layer import PlayerLayer
 from pyrdp.player.BaseTab import BaseTab
 from pyrdp.player.PlayerEventHandler import PlayerEventHandler
 from pyrdp.player.Replay import Replay, ReplayReader
diff --git a/pyrdp/player/ReplayThread.py b/pyrdp/player/ReplayThread.py
index be1a15cf5..59774b5eb 100644
--- a/pyrdp/player/ReplayThread.py
+++ b/pyrdp/player/ReplayThread.py
@@ -1,6 +1,6 @@
 #
 # This file is part of the PyRDP project.
-# Copyright (C) 2018-2021 GoSecure Inc.
+# Copyright (C) 2018-2023 GoSecure Inc.
 # Licensed under the GPLv3 or later.
 #
 
@@ -9,7 +9,7 @@
 from multiprocessing import Queue
 from time import sleep
 
-from PySide2.QtCore import QThread, Signal
+from PySide6.QtCore import QThread, Signal
 
 from pyrdp.core import Timer
 from pyrdp.player.Replay import Replay
diff --git a/pyrdp/player/ReplayWindow.py b/pyrdp/player/ReplayWindow.py
index 8338d9652..26d0d1dd2 100644
--- a/pyrdp/player/ReplayWindow.py
+++ b/pyrdp/player/ReplayWindow.py
@@ -1,14 +1,14 @@
 #
 # This file is part of the PyRDP project.
-# Copyright (C) 2019, 2020 GoSecure Inc.
+# Copyright (C) 2019-2023 GoSecure Inc.
 # Licensed under the GPLv3 or later.
 #
 
 from typing import Dict
 
-from PySide2.QtCore import Qt
-from PySide2.QtGui import QResizeEvent
-from PySide2.QtWidgets import QWidget
+from PySide6.QtCore import Qt
+from PySide6.QtGui import QResizeEvent
+from PySide6.QtWidgets import QWidget
 
 from pyrdp.player.BaseWindow import BaseWindow
 from pyrdp.player.ReplayTab import ReplayTab
diff --git a/pyrdp/player/SeekBar.py b/pyrdp/player/SeekBar.py
index a0e3ac22e..32195528c 100644
--- a/pyrdp/player/SeekBar.py
+++ b/pyrdp/player/SeekBar.py
@@ -1,11 +1,11 @@
 #
 # This file is part of the PyRDP project.
-# Copyright (C) 2018 GoSecure Inc.
+# Copyright (C) 2018, 2023 GoSecure Inc.
 # Licensed under the GPLv3 or later.
 #
 
-from PySide2.QtWidgets import QWidget, QProgressBar
-from PySide2.QtGui import QMouseEvent
+from PySide6.QtWidgets import QWidget, QProgressBar
+from PySide6.QtGui import QMouseEvent
 
 
 class SeekBar(QProgressBar):
@@ -22,6 +22,6 @@ def setValue(self, p_int):
         self.repaint()
 
     def mousePressEvent(self, event: QMouseEvent):
-        progress = event.x() / self.width()
+        progress = event.position().x() / self.width()
         value = int(progress * self.maximum())
-        self.setValue(value)
\ No newline at end of file
+        self.setValue(value)
diff --git a/pyrdp/player/gdi/cache.py b/pyrdp/player/gdi/cache.py
index 34ff73bb3..ce945bbaf 100644
--- a/pyrdp/player/gdi/cache.py
+++ b/pyrdp/player/gdi/cache.py
@@ -1,6 +1,6 @@
 #
 # This file is part of the PyRDP project.
-# Copyright (C) 2020-2021 GoSecure Inc.
+# Copyright (C) 2020-2023 GoSecure Inc.
 # Licensed under the GPLv3 or later.
 #
 
@@ -9,8 +9,8 @@
 """
 
 from typing import List
-from PySide2.QtCore import QSize
-from PySide2.QtGui import QBrush, QImage, QBitmap
+from PySide6.QtCore import QSize
+from PySide6.QtGui import QBrush, QImage, QBitmap
 
 from pyrdp.parser.rdp.orders.common import Glyph
 
diff --git a/pyrdp/player/gdi/draw.py b/pyrdp/player/gdi/draw.py
index fa04a8143..b83aa54ff 100644
--- a/pyrdp/player/gdi/draw.py
+++ b/pyrdp/player/gdi/draw.py
@@ -1,6 +1,6 @@
 #
 # This file is part of the PyRDP project.
-# Copyright (C) 2021 GoSecure Inc.
+# Copyright (C) 2021-2023 GoSecure Inc.
 # Licensed under the GPLv3 or later.
 #
 
@@ -20,13 +20,13 @@
     FastIndex, PolygonSc, PolygonCb, PolyLine, FastGlyph, EllipseSc, EllipseCb, GlyphIndex, Brush, \
     BACKMODE_TRANSPARENT
 
-from pyrdp.ui import QRemoteDesktop, RDPBitmapToQtImage
+from pyrdp.ui import RDPBitmapToQtImage
 
 from .cache import BitmapCache, BrushCache, PaletteCache, GlyphCache, GlyphEntry
 from .raster import set_rop3, set_rop2
 
-from PySide2.QtCore import Qt, QPoint
-from PySide2.QtGui import QImage, QPainter, QColor, QPixmap, QBrush, QPen, QPolygon
+from PySide6.QtCore import Qt, QPoint
+from PySide6.QtGui import QImage, QPainter, QColor, QPixmap, QBrush, QPen, QPolygon
 
 from pyrdp.player.ImageHandler import ImageHandler
 
diff --git a/pyrdp/player/gdi/raster.py b/pyrdp/player/gdi/raster.py
index 8d38a7e03..a89146b14 100644
--- a/pyrdp/player/gdi/raster.py
+++ b/pyrdp/player/gdi/raster.py
@@ -1,10 +1,10 @@
 #
 # This file is part of the PyRDP project.
-# Copyright (C) 2020 GoSecure Inc.
+# Copyright (C) 2020-2023 GoSecure Inc.
 # Licensed under the GPLv3 or later.
 #
 
-from PySide2.QtGui import QPainter
+from PySide6.QtGui import QPainter
 
 # All raster operations defined by [MS-RDPEGDI] Section 2.2.2.2.1.1.1.7
 BLACKNESS = 0x00
diff --git a/pyrdp/player/keyboard.py b/pyrdp/player/keyboard.py
index 4c6f76bb6..ac3257f03 100644
--- a/pyrdp/player/keyboard.py
+++ b/pyrdp/player/keyboard.py
@@ -1,13 +1,13 @@
 #
 # This file is part of the PyRDP project.
-# Copyright (C) 2019-2020 GoSecure Inc.
+# Copyright (C) 2019-2023 GoSecure Inc.
 # Licensed under the GPLv3 or later.
 #
 
 from typing import Optional
 
-from PySide2.QtCore import Qt
-from PySide2.QtGui import QKeyEvent
+from PySide6.QtCore import Qt
+from PySide6.QtGui import QKeyEvent
 
 SCANCODE_MAPPING = {
     Qt.Key.Key_Escape: 0x01,
diff --git a/pyrdp/ui/PlayPauseButton.py b/pyrdp/ui/PlayPauseButton.py
index 9e2a6dce5..d8b53ad61 100644
--- a/pyrdp/ui/PlayPauseButton.py
+++ b/pyrdp/ui/PlayPauseButton.py
@@ -1,11 +1,11 @@
 #
 # This file is part of the PyRDP project.
-# Copyright (C) 2018 GoSecure Inc.
+# Copyright (C) 2018, 2023 GoSecure Inc.
 # Licensed under the GPLv3 or later.
 #
 
-from PySide2.QtWidgets import QPushButton, QWidget
-from PySide2.QtGui import QIcon
+from PySide6.QtWidgets import QPushButton, QWidget
+from PySide6.QtGui import QIcon
 
 
 class PlayPauseButton(QPushButton):
diff --git a/pyrdp/ui/qt.py b/pyrdp/ui/qt.py
index 4b93126fa..9fab5e099 100644
--- a/pyrdp/ui/qt.py
+++ b/pyrdp/ui/qt.py
@@ -1,6 +1,6 @@
 #
 # Copyright (c) 2014-2015 Sylvain Peyrefitte
-# Copyright (c) 2018-2021 GoSecure Inc.
+# Copyright (c) 2018-2023 GoSecure Inc.
 #
 # This file is part of PyRDP.
 # This file was part of rdpy.
@@ -30,9 +30,9 @@
 import rle
 from io import BytesIO
 
-from PySide2.QtCore import QEvent, QPoint, Qt, Signal
-from PySide2.QtGui import QColor, QImage, QMatrix, QPainter
-from PySide2.QtWidgets import QWidget
+from PySide6.QtCore import QEvent, QPoint, Qt, Signal
+from PySide6.QtGui import QColor, QImage, QTransform, QPainter
+from PySide6.QtWidgets import QWidget
 
 from pyrdp.logging import log
 from pyrdp.player.ImageHandler import ImageHandler
@@ -56,7 +56,7 @@ def RDPBitmapToQtImage(width: int, height: int, bitsPerPixel: int, isCompressed:
             image = QImage(buf, width, height, QImage.Format_RGB555)
         else:
             buf = data
-            image = QImage(buf, width, height, QImage.Format_RGB555).transformed(QMatrix(1.0, 0.0, 0.0, -1.0, 0.0, 0.0))
+            image = QImage(buf, width, height, QImage.Format_RGB555).transformed(QTransform(1.0, 0.0, 0.0, -1.0, 0.0, 0.0))
     
     elif bitsPerPixel == 16:
         if isCompressed:
@@ -64,7 +64,7 @@ def RDPBitmapToQtImage(width: int, height: int, bitsPerPixel: int, isCompressed:
             image = QImage(buf, width, height, QImage.Format_RGB16)
         else:
             buf = data
-            image = QImage(buf, width, height, QImage.Format_RGB16).transformed(QMatrix(1.0, 0.0, 0.0, -1.0, 0.0, 0.0))
+            image = QImage(buf, width, height, QImage.Format_RGB16).transformed(QTransform(1.0, 0.0, 0.0, -1.0, 0.0, 0.0))
     
     elif bitsPerPixel == 24:
         if isCompressed:
@@ -82,7 +82,7 @@ def RDPBitmapToQtImage(width: int, height: int, bitsPerPixel: int, isCompressed:
             image = QImage(buf, width, height, QImage.Format_RGB888)
         else:
             buf = data
-            image = QImage(buf, width, height, QImage.Format_RGB888).transformed(QMatrix(1.0, 0.0, 0.0, -1.0, 0.0, 0.0))
+            image = QImage(buf, width, height, QImage.Format_RGB888).transformed(QTransform(1.0, 0.0, 0.0, -1.0, 0.0, 0.0))
             
     elif bitsPerPixel == 32:
         if isCompressed:
@@ -90,7 +90,7 @@ def RDPBitmapToQtImage(width: int, height: int, bitsPerPixel: int, isCompressed:
             image = QImage(buf, width, height, QImage.Format_RGB32)
         else:
             buf = data
-            image = QImage(buf, width, height, QImage.Format_RGB32).transformed(QMatrix(1.0, 0.0, 0.0, -1.0, 0.0, 0.0))
+            image = QImage(buf, width, height, QImage.Format_RGB32).transformed(QTransform(1.0, 0.0, 0.0, -1.0, 0.0, 0.0))
     elif bitsPerPixel == 8:
         if isCompressed:
             _buf = rle.bitmap_decompress(data, width, height, 1)
@@ -98,7 +98,7 @@ def RDPBitmapToQtImage(width: int, height: int, bitsPerPixel: int, isCompressed:
             image = QImage(buf, width, height, QImage.Format_RGB16)
         else:
             buf = convert8bppTo16bpp(data)
-            image = QImage(buf, width, height, QImage.Format_RGB16).transformed(QMatrix(1.0, 0.0, 0.0, -1.0, 0.0, 0.0))
+            image = QImage(buf, width, height, QImage.Format_RGB16).transformed(QTransform(1.0, 0.0, 0.0, -1.0, 0.0, 0.0))
     else:
         log.error("Receive image in bad format")
         image = QImage(width, height, QImage.Format_RGB32)
diff --git a/requirements.txt b/requirements.txt
index 0e77d6b6d..a3ac4d78a 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -17,7 +17,7 @@ pyasn1-modules==0.3.0
 pycparser==2.21
 pycryptodome==3.19.0
 pyOpenSSL==23.3.0
-PySide2==5.15.2.1
+PySide6-Essentials==6.6.1
 python-utils==3.8.1
 pytz==2023.3.post1
 qimage2ndarray==1.10.0