diff --git a/.github/workflows/build-appimage.yml b/.github/workflows/build-appimage.yml
index be4494e8..80dc567d 100644
--- a/.github/workflows/build-appimage.yml
+++ b/.github/workflows/build-appimage.yml
@@ -11,7 +11,7 @@ on:
 jobs:
   build:
 
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-22.04
 
     steps:
     - uses: actions/checkout@v1
@@ -19,12 +19,12 @@ jobs:
       run: |
         sudo rm -f /etc/apt/sources.list.d/dotnetdev.list /etc/apt/sources.list.d/microsoft-prod.list
         sudo apt update
-        sudo apt install cmake extra-cmake-modules libcurl4-gnutls-dev libpcap0.8-dev libsdl2-dev libqt5multimedia5-plugins qt5-default qtbase5-private-dev qtmultimedia5-dev libslirp0 libslirp-dev libarchive-dev zstd libzstd-dev --allow-downgrades
+        sudo apt install cmake extra-cmake-modules libpcap0.8-dev libsdl2-dev libqt6multimedia6-plugins qt6-default qtbase6-private-dev qtmultimedia6-dev libslirp0 libslirp-dev libarchive-dev libzstd-dev --allow-downgrades
     - name: Create build environment
       run: mkdir ${{runner.workspace}}/build
     - name: Configure
       working-directory: ${{runner.workspace}}/build
-      run: cmake $GITHUB_WORKSPACE
+      run: cmake $GITHUB_WORKSPACE -DUSE_QT6=ON
     - name: Make
       working-directory: ${{runner.workspace}}/build
       run: |
diff --git a/.github/workflows/build-ubuntu-aarch64.yml b/.github/workflows/build-ubuntu-aarch64.yml
index 43f4d8b6..578ec4bd 100644
--- a/.github/workflows/build-ubuntu-aarch64.yml
+++ b/.github/workflows/build-ubuntu-aarch64.yml
@@ -14,8 +14,8 @@ env:
 jobs:
   build:
     name: aarch64
-    runs-on: ubuntu-20.04
-    container: ubuntu:20.04
+    runs-on: ubuntu-latest
+    container: ubuntu:22.04
 
     steps:
     - name: Prepare system
@@ -34,7 +34,7 @@ jobs:
         rm /etc/apt/sources.list
         mv /etc/apt/sources.list{.new,}
         apt update
-        DEBIAN_FRONTEND=noninteractive apt install -y {gcc-10,g++-10,pkg-config}-aarch64-linux-gnu {libsdl2,qtbase5,qtbase5-private,qtmultimedia5,libslirp,libarchive,libzstd}-dev:arm64 zstd:arm64 cmake extra-cmake-modules dpkg-dev
+        DEBIAN_FRONTEND=noninteractive apt install -y {gcc-10,g++-10,pkg-config}-aarch64-linux-gnu {libsdl2,qtbase6,qtbase6-private,qtmultimedia6,libslirp,libarchive,libzstd}-dev:arm64 zstd:arm64 cmake extra-cmake-modules dpkg-dev
     - name: Configure
       shell: bash
       run: |
diff --git a/.github/workflows/build-ubuntu.yml b/.github/workflows/build-ubuntu.yml
index 438fddd0..a68d9376 100644
--- a/.github/workflows/build-ubuntu.yml
+++ b/.github/workflows/build-ubuntu.yml
@@ -11,8 +11,7 @@ on:
 jobs:
   build:
     name: x86_64
-
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-22.04
 
     steps:
     - uses: actions/checkout@v1
@@ -20,12 +19,12 @@ jobs:
       run: |
         sudo rm -f /etc/apt/sources.list.d/dotnetdev.list /etc/apt/sources.list.d/microsoft-prod.list
         sudo apt update
-        sudo apt install cmake extra-cmake-modules libcurl4-gnutls-dev libpcap0.8-dev libsdl2-dev qt5-default qtbase5-private-dev qtmultimedia5-dev libslirp0 libslirp-dev libarchive-dev zstd libzstd-dev --allow-downgrades
+        sudo apt install cmake extra-cmake-modules libpcap0.8-dev libsdl2-dev qtbase6-dev qtbase6-private-dev qtmultimedia6-dev libslirp0 libslirp-dev libarchive-dev libzstd-dev --allow-downgrades
     - name: Create build environment
       run: mkdir ${{runner.workspace}}/build
     - name: Configure
       working-directory: ${{runner.workspace}}/build
-      run: cmake $GITHUB_WORKSPACE
+      run: cmake $GITHUB_WORKSPACE -DUSE_QT6=ON
     - name: Make
       working-directory: ${{runner.workspace}}/build
       run: |
diff --git a/.github/workflows/build-windows.yml b/.github/workflows/build-windows.yml
index e6846da7..f180b832 100644
--- a/.github/workflows/build-windows.yml
+++ b/.github/workflows/build-windows.yml
@@ -23,15 +23,15 @@ jobs:
     - uses: actions/checkout@v1
     - uses: msys2/setup-msys2@v2
       with:
-          msystem: MINGW64
+          msystem: UCRT64
           update: true
 
     - name: Install dependencies
-      run: pacman -Sq --noconfirm git pkgconf mingw-w64-x86_64-{cmake,SDL2,qt5-static,libslirp,libarchive,toolchain}
+      run: pacman -Sq --noconfirm git pkgconf mingw-w64-ucrt-x86_64-{cmake,SDL2,qt6-static,libslirp,libarchive,toolchain}
 
     - name: Configure
       working-directory: ${{runner.workspace}}
-      run: cmake -B build $GITHUB_WORKSPACE -DCMAKE_BUILD_TYPE=${{env.BUILD_TYPE}} -DBUILD_STATIC=ON -DCMAKE_PREFIX_PATH=C:/tools/msys64/mingw64/qt5-static
+      run: cmake -B build $GITHUB_WORKSPACE -DCMAKE_BUILD_TYPE=${{env.BUILD_TYPE}} -DBUILD_STATIC=ON -DCMAKE_PREFIX_PATH=C:/tools/msys64/mingw64/qt6-static -DUSE_QT&=ON
 
     - name: Make
       working-directory: ${{runner.workspace}}/build