diff --git a/.github/workflows/style.yml b/.github/workflows/style.yml
index d772f8976..dc3418dde 100644
--- a/.github/workflows/style.yml
+++ b/.github/workflows/style.yml
@@ -64,10 +64,6 @@ jobs:
       - name: "Set up Python environment"
         uses: ./.github/actions/setup-python
 
-      - name: "Patch QtGui.pyi"
-        run: |
-          patch /opt/hostedtoolcache/Python/3.12.3/x64/lib/python3.12/site-packages/PySide6/QtGui.pyi < QtGui_pyi.patch
-
       - name: "Check mypy"
         run: |
           mypy .
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 05608d513..a33e40bd0 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,6 +2,9 @@
 * Basic support for **F-4E Phantom II** (@emcek)
 * Add button to repair DCS-BIOS installation (@emcek)
 * Can't start DCSpy after stopping #314 (@emcek)
+* Internal:
+  * Update PySide6 framework
+  * optimize unit tests
 
 ## 3.4.2
 * Fix update process when downloaded new release can not be saved in filesystem
diff --git a/QtGui_pyi.patch b/QtGui_pyi.patch
deleted file mode 100644
index 37ee6be9b..000000000
--- a/QtGui_pyi.patch
+++ /dev/null
@@ -1,11 +0,0 @@
---- QtGui_old.pyi	2024-04-14 13:20:14.835790500 +0200
-+++ QtGui_new.pyi	2024-04-14 13:20:34.516557600 +0200
-@@ -1089,7 +1089,7 @@
-     White                     = ...  # type: QColor
-     Yellow                    = ...  # type: QColor
-
--    class Svg(Shiboken.Object): ...
-+    class Svg(Shiboken.Object):
-
-         aliceblue                 = ...  # type: QColor
-         antiquewhite              = ...  # type: QColor
diff --git a/pyproject.toml b/pyproject.toml
index 45c94307d..2fbbd2d7c 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -43,10 +43,10 @@ dependencies = [
     'Pillow==10.3.0',
     'psutil==5.9.8',
     'pydantic==2.7.1',
-    'PySide6==6.7.0',
+    'PySide6==6.7.1',
     'PyYAML==6.0.1',
     'requests==2.32.2',
-    'typing_extensions==4.11.0; python_version < "3.12"',
+    'typing_extensions==4.12.0; python_version < "3.12"',
 ]
 
 [project.urls]
diff --git a/requirements.txt b/requirements.txt
index 10453b18d..af6b8cc5d 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -4,7 +4,7 @@ packaging==24.0
 Pillow==10.3.0
 psutil==5.9.8
 pydantic==2.7.1
-PySide6==6.7.0
+PySide6==6.7.1
 PyYAML==6.0.1
 requests==2.32.2
-typing_extensions==4.11.0; python_version < '3.12'
+typing_extensions==4.12.0; python_version < '3.12'