diff --git a/ports/opencv/CONTROL b/ports/opencv/CONTROL
index e71ad109da..13a24f0b4f 100644
--- a/ports/opencv/CONTROL
+++ b/ports/opencv/CONTROL
@@ -1,5 +1,5 @@
 Source: opencv
-Version: 3.4.0
+Version: 3.4.0-1
 Build-Depends: zlib, libpng, libjpeg-turbo, tiff, protobuf (windows)
 Description: computer vision library
 
diff --git a/ports/opencv/filesystem-uwp.patch b/ports/opencv/filesystem-uwp.patch
new file mode 100644
index 0000000000..c4ddb6b783
--- /dev/null
+++ b/ports/opencv/filesystem-uwp.patch
@@ -0,0 +1,41 @@
+diff --git a/modules/core/src/utils/filesystem.cpp b/modules/core/src/utils/filesystem.cpp
+index 266a92f..1d5a302 100644
+--- a/modules/core/src/utils/filesystem.cpp
++++ b/modules/core/src/utils/filesystem.cpp
+@@ -186,7 +186,7 @@ bool createDirectory(const cv::String& path)
+     wchar_t wpath[MAX_PATH];
+     size_t copied = mbstowcs(wpath, path.c_str(), MAX_PATH);
+     CV_Assert((copied != MAX_PATH) && (copied != (size_t)-1));
+-    int result = CreateDirectoryA(wpath, NULL) ? 0 : -1;
++    int result = CreateDirectoryW(wpath, NULL) ? 0 : -1;
+ #else
+     int result = _mkdir(path.c_str());
+ #endif
+@@ -248,8 +248,16 @@ struct FileLock::Impl
+         int numRetries = 5;
+         do
+         {
++#ifdef WINRT
++            wchar_t wpath[MAX_PATH];
++            size_t copied = mbstowcs(wpath, fname, MAX_PATH);
++            CV_Assert((copied != MAX_PATH) && (copied != (size_t)-1));
++            handle = ::CreateFile2(wpath, GENERIC_READ, FILE_SHARE_READ | FILE_SHARE_WRITE,
++                                OPEN_EXISTING, NULL);
++#else
+             handle = ::CreateFileA(fname, GENERIC_READ, FILE_SHARE_READ | FILE_SHARE_WRITE, NULL,
+                                 OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL);
++#endif
+             if (INVALID_HANDLE_VALUE == handle)
+             {
+                 if (ERROR_SHARING_VIOLATION == GetLastError())
+@@ -399,7 +407,9 @@ cv::String getCacheDirectory(const char* sub_directory_name, const char* configu
+     if (cache_path.empty())
+     {
+         cv::String default_cache_path;
+-#ifdef _WIN32
++#if WINRT
++        // no defaults
++#elif defined _WIN32
+         char tmp_path_buf[MAX_PATH+1] = {0};
+         DWORD res = GetTempPath(MAX_PATH, tmp_path_buf);
+         if (res > 0 && res <= MAX_PATH)
diff --git a/ports/opencv/portfile.cmake b/ports/opencv/portfile.cmake
index a91020f245..10bea9db2b 100644
--- a/ports/opencv/portfile.cmake
+++ b/ports/opencv/portfile.cmake
@@ -68,6 +68,15 @@ if(VCPKG_CMAKE_SYSTEM_NAME STREQUAL "WindowsStore")
   set(WITH_MSMF OFF)
 endif()
 
+set(BUILD_opencv_line_descriptor ON)
+set(BUILD_opencv_saliency ON)
+set(BUILD_opencv_bgsegm ON)
+if(VCPKG_TARGET_ARCHITECTURE MATCHES "arm")
+  set(BUILD_opencv_line_descriptor OFF)
+  set(BUILD_opencv_saliency OFF)
+  set(BUILD_opencv_bgsegm OFF)
+endif()
+
 vcpkg_configure_cmake(
     SOURCE_PATH ${SOURCE_PATH}
     OPTIONS
@@ -94,6 +103,9 @@ vcpkg_configure_cmake(
         -DBUILD_opencv_python2=OFF
         -DBUILD_opencv_python3=OFF
         -DBUILD_opencv_sfm=${BUILD_opencv_sfm}
+        -DBUILD_opencv_line_descriptor=${BUILD_opencv_line_descriptor}
+        -DBUILD_opencv_saliency=${BUILD_opencv_saliency}
+        -DBUILD_opencv_bgsegm=${BUILD_opencv_bgsegm}
         # CMAKE
         -DCMAKE_DISABLE_FIND_PACKAGE_JNI=ON
         # ENABLE
@@ -137,6 +149,10 @@ else()
 endif()
 if(VCPKG_TARGET_ARCHITECTURE STREQUAL "x64")
   set(OpenCV_ARCH x64)
+elseif(VCPKG_TARGET_ARCHITECTURE STREQUAL "arm")
+  set(OpenCV_ARCH ARM)
+elseif(VCPKG_TARGET_ARCHITECTURE STREQUAL "arm64")
+  set(OpenCV_ARCH ARM64)
 else()
   set(OpenCV_ARCH x86)
 endif()