diff --git a/.github/scripts/.Aptfile b/.github/scripts/.Aptfile
index 4e34926f..b5015585 100644
--- a/.github/scripts/.Aptfile
+++ b/.github/scripts/.Aptfile
@@ -8,6 +8,7 @@ package 'libcurl4-openssl-dev'
 package 'libxtst-dev'
 package 'libxss-dev'
 package 'libopencv-dev'
+package 'libopencv-contrib-dev'
 package 'libtesseract-dev'
 package 'libproc2-dev'
 package 'libusb-1.0-0-dev'
diff --git a/.github/scripts/.build-deps.zsh b/.github/scripts/.build-deps.zsh
index 673c1103..06a25686 100755
--- a/.github/scripts/.build-deps.zsh
+++ b/.github/scripts/.build-deps.zsh
@@ -284,30 +284,55 @@ Usage: %B${functrace[1]%:*}%b <option> [<options>]
   case ${host_os} {
     macos)
         local opencv_dir="${project_root}/deps/opencv"
-        local opencv_build_dir="${opencv_dir}/build_${target##*-}"
+        local opencv_contrib_dir="${project_root}/deps/opencv_contrib"
+        local opencv_install_x86="${opencv_dir}/install_x86_64"
+        local opencv_install_arm="${opencv_dir}/install_arm64"
 
-        local -a opencv_cmake_args=(
+        local -a opencv_cmake_args_common=(
           -DCMAKE_BUILD_TYPE=Release
-          -DBUILD_LIST=core,imgproc,objdetect
-          -DCMAKE_OSX_ARCHITECTURES=${${target##*-}//universal/x86_64;arm64}
+          -DBUILD_LIST=core,imgproc,objdetect,xobjdetect,dnn
+          -DOPENCV_EXTRA_MODULES_PATH="${opencv_contrib_dir}/modules"
           -DCMAKE_OSX_DEPLOYMENT_TARGET=${DEPLOYMENT_TARGET:-10.15}
           -DCMAKE_PREFIX_PATH="${advss_dep_path};${_plugin_deps}"
-          -DCMAKE_INSTALL_PREFIX="${advss_dep_path}"
+          -DWITH_KLEIDICV=OFF
         )
 
-        if [ "${target}" != "macos-x86_64" ]; then
-          opencv_cmake_args+=(-DWITH_IPP=OFF)
-        fi
-
         pushd ${opencv_dir}
-        log_info "Configure OpenCV ..."
-        cmake -S . -B ${opencv_build_dir} ${opencv_cmake_args}
 
-        log_info "Building OpenCV ..."
-        cmake --build ${opencv_build_dir} --config Release
+        log_info "Configure OpenCV (x86_64) ..."
+        cmake -S . -B build_x86_64 ${opencv_cmake_args_common} \
+          -DCMAKE_OSX_ARCHITECTURES=x86_64 \
+          -DCMAKE_INSTALL_PREFIX="${opencv_install_x86}" \
+          -DWITH_IPP=OFF
 
-        log_info "Installing OpenCV ..."
-        cmake --install ${opencv_build_dir} --prefix "${advss_dep_path}" --config Release || true
+        log_info "Building OpenCV (x86_64) ..."
+        cmake --build build_x86_64 --config Release
+
+        log_info "Installing OpenCV (x86_64) ..."
+        cmake --install build_x86_64 --prefix "${opencv_install_x86}" --config Release || true
+
+        log_info "Configure OpenCV (arm64) ..."
+        cmake -S . -B build_arm64 ${opencv_cmake_args_common} \
+          -DCMAKE_OSX_ARCHITECTURES=arm64 \
+          -DCMAKE_INSTALL_PREFIX="${opencv_install_arm}"
+
+        log_info "Building OpenCV (arm64) ..."
+        cmake --build build_arm64 --config Release
+
+        log_info "Installing OpenCV (arm64) ..."
+        cmake --install build_arm64 --prefix "${opencv_install_arm}" --config Release || true
+
+        log_info "Merging OpenCV into universal binaries ..."
+        cp -R "${opencv_install_arm}/." "${advss_dep_path}"
+        for arm_lib in ${opencv_install_arm}/lib/**/*.(dylib|a)(.); do
+          local rel="${arm_lib#${opencv_install_arm}/}"
+          local x86_lib="${opencv_install_x86}/${rel}"
+          if [[ -f "${x86_lib}" ]]; then
+            lipo -create "${x86_lib}" "${arm_lib}" -output "${advss_dep_path}/${rel}"
+          fi
+        done
+
+        rm -rf "${opencv_install_x86}" "${opencv_install_arm}"
         popd
 
         local leptonica_dir="${project_root}/deps/leptonica"
diff --git a/.github/scripts/Build-Deps-Windows.ps1 b/.github/scripts/Build-Deps-Windows.ps1
index 416d9363..460fd9e7 100644
--- a/.github/scripts/Build-Deps-Windows.ps1
+++ b/.github/scripts/Build-Deps-Windows.ps1
@@ -106,6 +106,7 @@ function Build {
     $ADVSSDepPath = "$(Resolve-Path -Path ${ProjectRoot}/${OutDirName})"
 
     $OpenCVPath = "${ProjectRoot}/deps/opencv"
+    $OpenCVContribPath = "${ProjectRoot}/deps/opencv_contrib"
     $OpenCVBuildPath = "${OpenCVPath}/build"
 
     Push-Location -Stack BuildOpenCVTemp
@@ -115,7 +116,8 @@ function Build {
         "-DCMAKE_BUILD_TYPE=Release"
         "-DCMAKE_PREFIX_PATH:PATH=${OBSDepPath}"
         "-DCMAKE_INSTALL_PREFIX:PATH=${ADVSSDepPath}"
-        "-DBUILD_LIST=core,imgproc,objdetect"
+        "-DBUILD_LIST=core,imgproc,objdetect,xobjdetect"
+        "-DOPENCV_EXTRA_MODULES_PATH:PATH=${OpenCVContribPath}/modules"
     )
 
     Log-Information "Configuring OpenCV..."