diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index b6aae98d..2c9cd71b 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -146,6 +146,7 @@ jobs:
           # platforms mostly to smoketest that the build machinery in mk/ is
           # portable.
           - arm-unknown-linux-gnueabihf
+          - aarch64-pc-windows-msvc
           - i686-pc-windows-msvc
           - x86_64-unknown-linux-musl
           - x86_64-unknown-linux-gnu
@@ -170,6 +171,9 @@ jobs:
             rust_channel: 1.46.0
 
         include:
+          - target: aarch64-pc-windows-msvc
+            host_os: windows-latest
+
           - target: arm-unknown-linux-gnueabihf
             host_os: ubuntu-22.04
 
@@ -202,6 +206,13 @@ jobs:
       - if: ${{ matrix.target == 'aarch64-apple-darwin' }}
         run: echo "DEVELOPER_DIR=/Applications/Xcode_12.2.app/Contents/Developer" >> $GITHUB_ENV
 
+      - if: ${{ matrix.target == 'aarch64-pc-windows-msvc' }}
+        run: |
+          echo "C:\Program Files (x86)\Microsoft Visual Studio\2019\Enterprise\VC\Tools\Llvm\x64\bin" >> $GITHUB_PATH
+          echo "RUSTFLAGS=-C target-feature=+crt-static" >> $GITHUB_ENV
+          echo "TARGET_CC=clang" >> $GITHUB_ENV
+        shell: bash
+
       - if: ${{ !contains(matrix.host_os, 'windows') }}
         run: |
           mk/cargo.sh test -vv --target=${{ matrix.target }} ${{ matrix.cargo_options }} ${{ matrix.features }} ${{ matrix.mode }}