diff --git a/.github/workflows/build-test.yml b/.github/workflows/build-test.yml
index 8ac1586fe0e..f4c0a4f87d1 100644
--- a/.github/workflows/build-test.yml
+++ b/.github/workflows/build-test.yml
@@ -158,7 +158,10 @@ jobs:
 
   # ci-job-test-cargo
   test-cargo:
-    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        os: [ ubuntu-latest, windows-latest ]
+    runs-on: ${{ matrix.os }}
     steps:
     - uses: actions/checkout@692973e3d937129bcbf40652eb9f2f61becf3332 # v4.1.7
 
@@ -175,11 +178,25 @@ jobs:
       run: rustup show
 
     # Job-specific dependencies
-    - name: Install harfbuzz
+    - name: Install harfbuzz (Linux)
+      if: matrix.os == 'ubuntu-latest'
       run: |
         sudo apt update
         sudo apt install libharfbuzz-dev
 
+    - name: Install harfbuzz (Windows)
+      if: matrix.os == 'windows-latest'
+      shell: pwsh
+      run: |
+        choco install pkgconfiglite -y
+        git clone --depth 1 https://github.com/microsoft/vcpkg.git
+        .\vcpkg\bootstrap-vcpkg.bat
+        .\vcpkg\vcpkg install harfbuzz:x64-windows
+        $pkg_path = Join-Path $env:GITHUB_WORKSPACE "vcpkg\installed\x64-windows\lib\pkgconfig"
+        echo "PKG_CONFIG_PATH=$pkg_path" >> $env:GITHUB_ENV
+        $bin_path = Join-Path $env:GITHUB_WORKSPACE "vcpkg\installed\x64-windows\bin"
+        echo "$bin_path" >> $env:GITHUB_PATH
+
     # Actual job
     - name: Run `cargo make ci-job-test-cargo`
       run: cargo make ci-job-test-cargo
diff --git a/examples/cargo/buffer/Makefile b/examples/cargo/buffer/Makefile
index c40b506dc9d..a490e2e29f0 100755
--- a/examples/cargo/buffer/Makefile
+++ b/examples/cargo/buffer/Makefile
@@ -31,7 +31,7 @@ bin/tutorial_buffer.wasm:
 	rustup target add wasm32-wasip1 --toolchain ${PINNED_CI_NIGHTLY}
 	cargo +${PINNED_CI_NIGHTLY} build --target wasm32-wasip1 --release
 	mkdir -p bin
-	cp -p "$(CARGO_TARGET_DIR)"/wasm32-wasip1/release/tutorial_buffer.wasm bin/
+	cp -p "$(CARGO_TARGET_DIR)/wasm32-wasip1/release/tutorial_buffer.wasm" bin/
 	ls -l bin/
 
 buffer_data.postcard: ../bin/icu4x-datagen$(BINARY_EXT) bin/tutorial_buffer$(BINARY_EXT)