diff --git a/.github/workflows/build-and-publish.yml b/.github/workflows/build-and-publish.yml
index 2e27fa1..8d33d33 100644
--- a/.github/workflows/build-and-publish.yml
+++ b/.github/workflows/build-and-publish.yml
@@ -65,8 +65,11 @@ jobs:
           CIBW_ARCHS_MACOS: "x86_64 universal2"
           CIBW_ARCHS_LINUX: "auto aarch64"
           CIBW_BEFORE_BUILD_LINUX: "yum install -y openblas-devel || apt-get install -y libopenblas-dev"
-          CIBW_BEFORE_BUILD_WINDOWS: "vcpkg install openblas:x64-windows"
+          CIBW_BEFORE_BUILD_WINDOWS: "pip install delvewheel && vcpkg install openblas:x64-windows"
           CIBW_ENVIRONMENT_WINDOWS: "CMAKE_TOOLCHAIN_FILE=C:/vcpkg/scripts/buildsystems/vcpkg.cmake"
+          # Bundle openblas.dll into the wheel (auditwheel/delocate handle this on Linux/macOS)
+          CIBW_REPAIR_WHEEL_COMMAND_WINDOWS: "delvewheel repair -w {dest_dir} {wheel} --add-path C:/vcpkg/installed/x64-windows/bin"
+          CIBW_TEST_COMMAND: python -c "import sparsediffpy"
       - name: Check wheels
         shell: bash
         run: |