diff --git a/LICENSE b/LICENSE
index 261eeb9e..137fee02 100644
--- a/LICENSE
+++ b/LICENSE
@@ -186,7 +186,7 @@
       same "printed page" as the copyright notice for easier
       identification within third-party archives.
 
-   Copyright [yyyy] [name of copyright owner]
+   Copyright 2020-2022 IoeCmcomc
 
    Licensed under the Apache License, Version 2.0 (the "License");
    you may not use this file except in compliance with the License.
diff --git a/src/main.cpp b/src/main.cpp
index 0b867195..cade1a31 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -14,7 +14,7 @@ int main(int argc, char *argv[]) {
 
     QCoreApplication::setOrganizationName("IoeCmcomc");
     QCoreApplication::setApplicationName("MCDatapacker");
-    QCoreApplication::setApplicationVersion("0.4.0");
+    QCoreApplication::setApplicationVersion("0.5.0");
 
     /*Q_INIT_RESOURCE(application); */
 
diff --git a/src/mainwindow.cpp b/src/mainwindow.cpp
index d44c06d6..41db5634 100644
--- a/src/mainwindow.cpp
+++ b/src/mainwindow.cpp
@@ -33,6 +33,7 @@
 #include <QShortcut>
 #include <QClipboard>
 #include <QProgressDialog>
+#include <QSaveFile>
 
 
 QMap<QString, QVariantMap> MainWindow::MCRInfoMaps;
@@ -100,8 +101,8 @@ MainWindow::MainWindow(QWidget *parent)
     connect(updater, &QSimpleUpdater::downloadFinished,
             this, &MainWindow::installUpdate);
 
-    const auto &&oldProgramFile = qApp->applicationDirPath() +
-                                  QLatin1String("/MCDatapacker_old");
+    const auto &oldProgramFile = qApp->applicationDirPath() +
+                                 QLatin1String("/MCDatapacker_old");
     if (QFile::exists(oldProgramFile))
         QFile::remove(oldProgramFile);
 }
@@ -778,7 +779,7 @@ void MainWindow::installUpdate(const QString &url, const QString &filepath) {
     const auto appDirPath = qApp->applicationDirPath();
     qDebug() << filepath << appDirPath << qApp->arguments()[0];
     QFile::rename(qApp->arguments()[0],
-                  appDirPath + QLatin1String("/MCDatapacker_old"));
+                  appDirPath + "/MCDatapacker_old");
     zip_file zipFile{ filepath.toStdString() };
 
 /*  zipFile.printdir(); */
@@ -800,17 +801,20 @@ void MainWindow::installUpdate(const QString &url, const QString &filepath) {
         if (filename.rightRef(1) == '/') {
             dir.mkpath(filename);
         } else {
-            QFile file(appDirPath + QLatin1Char('/') + filename);
+            QSaveFile file(appDirPath + QLatin1Char('/') + filename);
             if (!file.open(QIODevice::WriteOnly))
                 return;
 
             const auto &&fileData = zipFile.read(info);
             file.write(fileData.c_str(), fileData.size());
-            file.close();
+            file.commit();
         }
         i++;
     }
 
+    /* QLatin1String("/QSU_Update.bin") crashes the program in release build */
+    QFile::remove(appDirPath + QStringLiteral("/QSU_Update.bin"));
+
     progress.setValue(progress.maximum());
 
     QFile::rename(appDirPath + QLatin1String("/MCDatapacker.exe"),
diff --git a/src/src.pro b/src/src.pro
index 8408c60c..66f0f087 100644
--- a/src/src.pro
+++ b/src/src.pro
@@ -250,12 +250,12 @@ qnx: target.path = /tmp/$${TARGET}/bin
 else: unix:!android: target.path = /opt/$${TARGET}/bin
 !isEmpty(target.path): INSTALLS += target
 
-VERSION = 0.4.0
+VERSION = 0.5.0
 QMAKE_TARGET_COMPANY = IoeCmcomc
 QMAKE_TARGET = MCDatapacker
 QMAKE_TARGET_PRODUCT = MCDatapacker
 QMAKE_TARGET_DESCRIPTION = MCDatapacker - Minecraft datapack editor
-QMAKE_TARGET_COPYRIGHT = \\251 2020 - 2021 IoeCmcomc
+QMAKE_TARGET_COPYRIGHT = \\251 2020 - 2022 IoeCmcomc
 
 
 win32:CONFIG(release, debug|release): LIBS += -L$$OUT_PWD/../lib/json/release/ -ljson