diff --git a/opencv/PKGBUILD b/opencv/PKGBUILD
index dd75401963..61e77c2a69 100644
--- a/opencv/PKGBUILD
+++ b/opencv/PKGBUILD
@@ -5,9 +5,11 @@
 
 pkgbase=opencv
 pkgname=(opencv opencv-samples python-opencv)
-[ "${CARCH}" == 'x86_86' ] && pkgname+=(opencv-cuda)
-pkgver=4.7.0
-pkgrel=13
+case "${CARCH}" in
+  x86_64) pkgname+=(opencv-cuda)
+esac
+pkgver=4.8.0
+pkgrel=3
 pkgdesc='Open Source Computer Vision Library'
 arch=(x86_64 powerpc64le powerpc64 powerpc riscv64)
 license=(BSD)
@@ -15,7 +17,7 @@ url='https://opencv.org/'
 depends=(onetbb openexr gst-plugins-base libdc1394 cblas lapack libgphoto2 openjpeg2 ffmpeg protobuf)
 makedepends=(cmake python-numpy python-setuptools mesa eigen hdf5 lapacke qt6-5compat vtk glew ant java-environment
              pugixml openmpi fmt nlohmann-json)
-makedepends_x86_86=(cudnn)
+makedepends_x86_64=(cudnn)
 optdepends=('opencv-samples: samples'
             'vtk: for the viz module'
             'glew: for the viz module'
@@ -25,24 +27,25 @@ optdepends=('opencv-samples: samples'
             'java-runtime: Java interface')
 source=(https://github.com/opencv/opencv/archive/$pkgver/$pkgname-$pkgver.tar.gz
         https://github.com/opencv/opencv_contrib/archive/$pkgver/opencv_contrib-$pkgver.tar.gz
-        https://github.com/opencv/opencv/commit/82616eec.patch
-        protobuf-23.patch
-        vtk9.patch)
-sha256sums=('8df0079cdbe179748a18d44731af62a245a45ebf5085223dc03133954c662973'
-            '42df840cf9055e59d0e22c249cfb19f04743e1bdad113d31b1573d3934d62584'
-            'a71e8ffad606d518a846296a06e59beac38887b30021a72b08321aeffd43a75d'
-            '572f7b774678e2fc46b524ce72d4b0ddf175b2a576c6dcfd013d16165ba39863'
-            'f35a2d4ea0d6212c7798659e59eda2cb0b5bc858360f7ce9c696c77d3029668e')
+        vtk9.patch
+        cuda-12.2.patch)
+sha256sums=('cbf47ecc336d2bff36b0dcd7d6c179a9bb59e805136af6b9670ca944aef889bd'
+            'b4aef0f25a22edcd7305df830fa926ca304ea9db65de6ccd02f6cfa5f3357dbb'
+            'f35a2d4ea0d6212c7798659e59eda2cb0b5bc858360f7ce9c696c77d3029668e'
+            '2acacd8df0fab431aa2197304c4496f3e4d8a8de9305994a6474e4c66dc3a159')
 
 prepare() {
   patch -d $pkgname-$pkgver -p1 < vtk9.patch # Don't require all vtk optdepends
-  patch -d $pkgname-$pkgver -p1 < 82616eec.patch # https://github.com/opencv/opencv/issues/23323
-  patch -d $pkgname-$pkgver -p1 < protobuf-23.patch # Fix build with protobuf 23
+  patch -d $pkgname-$pkgver -p1 < cuda-12.2.patch # Fix build with CUDA 12.2
 }
 
 build() {
   case "${CARCH}" in
     powerpc) export CXXFLAGS+=' -latomic' ;;
+    powerpc64)
+      export CFLAGS='-O2 -pipe'
+      export CXXFLAGS='-O2 -pipe'
+    ;;
   esac
 
   export JAVA_HOME="/usr/lib/jvm/default"
@@ -73,15 +76,10 @@ build() {
          -DOPENCV_ENABLE_NONFREE=ON \
          -DOPENCV_JNI_INSTALL_PATH=lib \
          -DOPENCV_GENERATE_SETUPVARS=OFF \
-         -DEIGEN_INCLUDE_PATH=/usr/include/eigen3"
+         -DEIGEN_INCLUDE_PATH=/usr/include/eigen3 \
+         -DCMAKE_FIND_PACKAGE_PREFER_CONFIG=ON \
+         -Dprotobuf_MODULE_COMPATIBLE=ON"
  
-  case "${CARCH}" in
-    powerpc64)
-      export CFLAGS='-O2 -pipe'
-      export CXXFLAGS='-O2 -pipe'
-    ;;
-  esac
-
   cmake -B build -S $pkgname-$pkgver $_opts \
     -DBUILD_WITH_DEBUG_INFO=ON
   cmake --build build
diff --git a/opencv/cuda-12.2.patch b/opencv/cuda-12.2.patch
new file mode 100644
index 0000000000..e35e0d274a
--- /dev/null
+++ b/opencv/cuda-12.2.patch
@@ -0,0 +1,27 @@
+diff --git a/modules/dnn/src/cuda4dnn/primitives/normalize_bbox.hpp b/modules/dnn/src/cuda4dnn/primitives/normalize_bbox.hpp
+index f067dddaa701..77b5ee81a08e 100644
+--- a/modules/dnn/src/cuda4dnn/primitives/normalize_bbox.hpp
++++ b/modules/dnn/src/cuda4dnn/primitives/normalize_bbox.hpp
+@@ -111,7 +111,7 @@ namespace cv { namespace dnn { namespace cuda4dnn {
+              * or there might be several weights
+              * or we don't have to scale
+              */
+-            if (weight != 1.0)
++            if (weight != static_cast<T>(1.0))
+             {
+                 kernels::scale1_with_bias1<T>(stream, output, input, weight, 1.0);
+             }
+diff --git a/modules/dnn/src/cuda4dnn/primitives/region.hpp b/modules/dnn/src/cuda4dnn/primitives/region.hpp
+index d22d44214e7b..cd44f061ec98 100644
+--- a/modules/dnn/src/cuda4dnn/primitives/region.hpp
++++ b/modules/dnn/src/cuda4dnn/primitives/region.hpp
+@@ -121,7 +121,7 @@ namespace cv { namespace dnn { namespace cuda4dnn {
+                 new_coords
+             );
+ 
+-            if (nms_iou_threshold > 0) {
++            if (nms_iou_threshold > static_cast<T>(0)) {
+                 auto output_mat = output_wrapper->getMutableHostMat();
+                 CV_Assert(output_mat.type() == CV_32F);
+                 for (int i = 0; i < input.get_axis_size(0); i++) {
+
diff --git a/opencv/protobuf-23.patch b/opencv/protobuf-23.patch
deleted file mode 100644
index 6bd266800b..0000000000
--- a/opencv/protobuf-23.patch
+++ /dev/null
@@ -1,12 +0,0 @@
-diff --git a/cmake/OpenCVFindProtobuf.cmake b/cmake/OpenCVFindProtobuf.cmake
-index 8835347d1d..473f5fd850 100644
---- a/cmake/OpenCVFindProtobuf.cmake
-+++ b/cmake/OpenCVFindProtobuf.cmake
-@@ -31,6 +31,7 @@ if(BUILD_PROTOBUF)
-   set(HAVE_PROTOBUF TRUE)
- else()
-   unset(Protobuf_VERSION CACHE)
-+  find_package(Protobuf CONFIG QUIET)
-   find_package(Protobuf QUIET)
- 
-   # Backwards compatibility