diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 89ab6b8..8e51902 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -29,17 +29,18 @@ jobs:
       - uses: msys2/setup-msys2@v2
         with:
           update: true
+          msystem: UCRT64
           install: >-
             make
             patch
-            mingw-w64-x86_64-cmake
-            mingw-w64-x86_64-gcc
-            mingw-w64-x86_64-hidapi
-            mingw-w64-x86_64-freetype
-            mingw-w64-x86_64-libpng
-            mingw-w64-x86_64-SDL2
-            mingw-w64-x86_64-SDL2_net
-            mingw-w64-x86_64-qt6
+            mingw-w64-ucrt-x86_64-cmake
+            mingw-w64-ucrt-x86_64-gcc
+            mingw-w64-ucrt-x86_64-hidapi
+            mingw-w64-ucrt-x86_64-freetype
+            mingw-w64-ucrt-x86_64-libpng
+            mingw-w64-ucrt-x86_64-SDL2
+            mingw-w64-ucrt-x86_64-SDL2_net
+            mingw-w64-ucrt-x86_64-qt6
             git
             zip
       - name: Run build script
diff --git a/build.sh b/build.sh
index 24d073d..af29060 100755
--- a/build.sh
+++ b/build.sh
@@ -7,13 +7,9 @@ RELEASE_TYPE="Release"
 
 UNAME=$(uname -s)
 PLATFORM=$(uname -m)
-if [[ ${UNAME} == *"MINGW"* ]]; then
+if [[ ${UNAME} == *"MINGW64"* ]]; then
   suffix=".dll"
-  if [[ ${UNAME} == *"MINGW64"* ]]; then
-    mingw_prefix="mingw64"
-  else
-    mingw_prefix="mingw32"
-  fi
+  mingw_prefix="ucrt64"
 elif [[ ${UNAME} == *"Darwin"* ]]; then
   suffix=".dylib"
   qt_version=$(ls /usr/local/Cellar/qt)
@@ -92,26 +88,21 @@ cmake -G Ninja -DCMAKE_BUILD_TYPE="${RELEASE_TYPE}" ..
 VERBOSE=1 cmake --build .
 cp simple64-video-parallel.* "${install_dir}"
 
-if [[ ${UNAME} == *"MINGW"* ]]; then
+if [[ ${UNAME} == *"MINGW64"* ]]; then
   cd "${install_dir}"
   windeployqt-qt6.exe --no-translations simple64-gui.exe
-
-  if [[ ${UNAME} == *"MINGW64"* ]]; then
-    my_os=win64
-    cp "/${mingw_prefix}/bin/libgcc_s_seh-1.dll" "${install_dir}"
-  else
-    my_os=win32
-    cp "/${mingw_prefix}/bin/libgcc_s_dw2-1.dll" "${install_dir}"
-  fi
+  my_os=win64
+    
   # WINEDEBUG=+loaddll wine ./simple64-gui.exe 2> out.txt
   # cat out.txt | grep found
+  cp -v "/${mingw_prefix}/bin/libgcc_s_seh-1.dll" "${install_dir}"
   cp -v "/${mingw_prefix}/bin/libwinpthread-1.dll" "${install_dir}"
   cp -v "/${mingw_prefix}/bin/libstdc++-6.dll" "${install_dir}"
   cp -v "/${mingw_prefix}/bin/libdouble-conversion.dll" "${install_dir}"
   cp -v "/${mingw_prefix}/bin/zlib1.dll" "${install_dir}"
-  cp -v "/${mingw_prefix}/bin/libicuin72.dll" "${install_dir}"
-  cp -v "/${mingw_prefix}/bin/libicuuc72.dll" "${install_dir}"
-  cp -v "/${mingw_prefix}/bin/libicudt72.dll" "${install_dir}"
+  cp -v "/${mingw_prefix}/bin/libicuin73.dll" "${install_dir}"
+  cp -v "/${mingw_prefix}/bin/libicuuc73.dll" "${install_dir}"
+  cp -v "/${mingw_prefix}/bin/libicudt73.dll" "${install_dir}"
   cp -v "/${mingw_prefix}/bin/libbrotlidec.dll" "${install_dir}"
   cp -v "/${mingw_prefix}/bin/libbrotlicommon.dll" "${install_dir}"
   cp -v "/${mingw_prefix}/bin/libpcre2-16-0.dll" "${install_dir}"