diff --git a/.github/workflows/macos.yml b/.github/workflows/macos.yml
index 668122f..c64f8d7 100644
--- a/.github/workflows/macos.yml
+++ b/.github/workflows/macos.yml
@@ -12,7 +12,7 @@ jobs:
     - name: Install Qt
       uses: jurplel/install-qt-action@v4
       with:
-        version: '6.8.1'
+        version: '6.8.3'
         modules: 'qtimageformats'
     - name: Install Conan and Dependencies
       id: conan
diff --git a/.github/workflows/windows.yml b/.github/workflows/windows.yml
index 0c22403..6a78285 100644
--- a/.github/workflows/windows.yml
+++ b/.github/workflows/windows.yml
@@ -8,7 +8,7 @@ jobs:
     strategy:
       matrix:
         include:
-          - qt_ver: '6.8.2'
+          - qt_ver: '6.8.3'
             vs: '2022'
             aqt_arch: 'win64_msvc2022_64'
             msvc_arch: 'x64'
@@ -44,7 +44,7 @@ jobs:
     strategy:
       matrix:
         include:
-          - qt_ver: '6.8.2'
+          - qt_ver: '6.8.3'
             vs: '2022'
             aqt_arch: 'win64_msvc2022_64'
             msvc_arch: 'x64'
diff --git a/appveyor.yml b/appveyor.yml
index 6488f4a..571945d 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -98,7 +98,7 @@ build_script:
   - cd karchive
   - mkdir build
   - cd build
-  - cmake .. -G "Ninja" -DWITH_LIBZSTD=OFF -DWITH_BZIP2=OFF -DWITH_LIBLZMA=OFF -DCMAKE_BUILD_TYPE=Release -DCMAKE_INSTALL_PREFIX=%CMAKE_INSTALL_PREFIX%
+  - cmake .. -G "Ninja" -DWITH_LIBZSTD=OFF -DWITH_BZIP2=OFF -DWITH_LIBLZMA=OFF -DWITH_OPENSSL=OFF -DCMAKE_BUILD_TYPE=Release -DCMAKE_INSTALL_PREFIX=%CMAKE_INSTALL_PREFIX%
   - cmake --build . --config Release
   - cmake --build . --config Release --target install/strip
   - cd %APPVEYOR_BUILD_FOLDER%