diff --git a/Telegram/build/prepare/prepare.py b/Telegram/build/prepare/prepare.py
index 9c3047d5ab..dc640093db 100644
--- a/Telegram/build/prepare/prepare.py
+++ b/Telegram/build/prepare/prepare.py
@@ -457,7 +457,7 @@ if customRunCommand:
 stage('patches', """
     git clone https://github.com/desktop-app/patches.git
     cd patches
-    git checkout 85a1c4ec32
+    git checkout ac72a4f597
 """)
 
 stage('msys64', """
diff --git a/Telegram/build/qt_version.py b/Telegram/build/qt_version.py
index 515683309d..42f729049b 100644
--- a/Telegram/build/qt_version.py
+++ b/Telegram/build/qt_version.py
@@ -9,7 +9,7 @@ def resolve(arch):
             os.environ['QT'] = '6.8.0'
         elif os.environ.get('QT') is None:
             print('Choosing Qt 5.')
-            os.environ['QT'] = '5.15.13'
+            os.environ['QT'] = '5.15.15'
     elif os.environ.get('QT') is None:
         return False
     print('Choosing Qt ' + os.environ.get('QT'))