diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 11ef262ea..5d5cbc893 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -52,13 +52,6 @@ jobs:
       fail-fast: false
       matrix:
         include:
-          - os: ubuntu-22.04
-            qt_ver: 5
-            qt_host: linux
-            qt_arch: ""
-            qt_version: "5.15.2"
-            qt_modules: "qtnetworkauth"
-
           - os: ubuntu-22.04
             qt_ver: 6
             qt_host: linux
@@ -254,7 +247,7 @@ jobs:
           arch: ${{ matrix.vcvars_arch }}
 
       - name: Prepare AppImage (Linux)
-        if: runner.os == 'Linux' && matrix.qt_ver != 5
+        if: runner.os == 'Linux'
         env:
           APPIMAGEUPDATE_HASH: ${{ matrix.appimageupdate_hash }}
           LINUXDEPLOY_HASH: ${{ matrix.linuxdeploy_hash }}
@@ -287,7 +280,7 @@ jobs:
       ##
 
       - name: Configure CMake (macOS)
-        if: runner.os == 'macOS' && matrix.qt_ver == 6
+        if: runner.os == 'macOS'
         run: |
           cmake -S . -B ${{ env.BUILD_DIR }} -DCMAKE_INSTALL_PREFIX=${{ env.INSTALL_DIR }} -DCMAKE_BUILD_TYPE=${{ inputs.build_type }} -DENABLE_LTO=ON -DLauncher_ENABLE_JAVA_DOWNLOADER=ON -DLauncher_BUILD_PLATFORM=official -DCMAKE_C_COMPILER_LAUNCHER=${{ env.CCACHE_VAR }} -DCMAKE_CXX_COMPILER_LAUNCHER=${{ env.CCACHE_VAR }} -DLauncher_QT_VERSION_MAJOR=${{ matrix.qt_ver }} -DCMAKE_OSX_ARCHITECTURES="x86_64;arm64" -G Ninja
 
@@ -502,7 +495,7 @@ jobs:
           }
 
       - name: Package AppImage (Linux)
-        if: runner.os == 'Linux' && matrix.qt_ver != 5
+        if: runner.os == 'Linux'
         shell: bash
         env:
           GPG_PRIVATE_KEY: ${{ secrets.GPG_PRIVATE_KEY }}
@@ -598,29 +591,22 @@ jobs:
           name: PrismLauncher-${{ matrix.name }}-Setup-${{ env.VERSION }}-${{ inputs.build_type }}
           path: PrismLauncher-Setup.exe
 
-      - name: Upload binary tarball (Linux, portable, Qt 5)
-        if: runner.os == 'Linux' && matrix.qt_ver != 6
-        uses: actions/upload-artifact@v4
-        with:
-          name: PrismLauncher-${{ runner.os }}-Qt5-Portable-${{ env.VERSION }}-${{ inputs.build_type }}
-          path: PrismLauncher-portable.tar.gz
-
-      - name: Upload binary tarball (Linux, portable, Qt 6)
-        if: runner.os == 'Linux' && matrix.qt_ver != 5
+      - name: Upload binary tarball (Linux, portable)
+        if: runner.os == 'Linux'
         uses: actions/upload-artifact@v4
         with:
           name: PrismLauncher-${{ runner.os }}-Qt6-Portable-${{ env.VERSION }}-${{ inputs.build_type }}
           path: PrismLauncher-portable.tar.gz
 
       - name: Upload AppImage (Linux)
-        if: runner.os == 'Linux' && matrix.qt_ver != 5
+        if: runner.os == 'Linux'
         uses: actions/upload-artifact@v4
         with:
           name: PrismLauncher-${{ runner.os }}-${{ env.VERSION }}-${{ inputs.build_type }}-x86_64.AppImage
           path: PrismLauncher-${{ runner.os }}-${{ env.VERSION }}-${{ inputs.build_type }}-x86_64.AppImage
 
       - name: Upload AppImage Zsync (Linux)
-        if: runner.os == 'Linux' && matrix.qt_ver != 5
+        if: runner.os == 'Linux'
         uses: actions/upload-artifact@v4
         with:
           name: PrismLauncher-${{ runner.os }}-${{ env.VERSION }}-${{ inputs.build_type }}-x86_64.AppImage.zsync
diff --git a/.github/workflows/codeql.yml b/.github/workflows/codeql.yml
index d1d810374..e3243097d 100644
--- a/.github/workflows/codeql.yml
+++ b/.github/workflows/codeql.yml
@@ -1,16 +1,16 @@
 name: "CodeQL Code Scanning"
 
-on: [ push, pull_request, workflow_dispatch ]
+on: [push, pull_request, workflow_dispatch]
 
 jobs:
   CodeQL:
     runs-on: ubuntu-latest
-    
+
     steps:
       - name: Checkout repository
         uses: actions/checkout@v4
         with:
-          submodules: 'true'
+          submodules: "true"
 
       - name: Initialize CodeQL
         uses: github/codeql-action/init@v3
@@ -20,14 +20,25 @@ jobs:
           languages: cpp, java
 
       - name: Install Dependencies
-        run:  
-          sudo apt-get -y update
+        run: sudo apt-get -y update
 
-          sudo apt-get -y install ninja-build extra-cmake-modules scdoc qtbase5-dev qtchooser qt5-qmake qtbase5-dev-tools libqt5core5a libqt5network5 libqt5gui5 libqt5networkauth5 libqt5networkauth5-dev libqt5opengl5 libqt5opengl5-dev
+          sudo apt-get -y install ninja-build extra-cmake-modules scdoc
+
+      - name: Install Qt
+        uses: jurplel/install-qt-action@v3
+        with:
+          aqtversion: "==3.1.*"
+          py7zrversion: ">=0.20.2"
+          version: "6.8.1"
+          host: "linux"
+          target: "desktop"
+          arch: ""
+          modules: "qt5compat qtimageformats qtnetworkauth"
+          tools: ""
 
       - name: Configure and Build
         run: |
-          cmake -S . -B build -DCMAKE_INSTALL_PREFIX=/usr -DLauncher_QT_VERSION_MAJOR=5 -G Ninja
+          cmake -S . -B build -DCMAKE_INSTALL_PREFIX=/usr -G Ninja
 
           cmake --build build