diff --git a/.github/workflows/cross.yml b/.github/workflows/cross.yml
index 21bc49da6c8..1b044ba9f3c 100644
--- a/.github/workflows/cross.yml
+++ b/.github/workflows/cross.yml
@@ -114,3 +114,20 @@ jobs:
           target: x86_64-pc-windows-gnu
       - name: Test on `x86_64-pc-windows-gnu`
         run: cargo test -p aws-lc-rs --target x86_64-pc-windows-gnu --features bindgen
+
+  aws-lc-rs-windows-arm64:
+    if: github.repository_owner == 'aws'
+    name: aarch64-pc-windows-msvc
+    runs-on: windows-latest
+    steps:
+      - uses: ilammy/setup-nasm@v1
+      - uses: actions/checkout@v3
+        with:
+          submodules: 'recursive'
+      - uses: dtolnay/rust-toolchain@master
+        id: toolchain
+        with:
+          toolchain: stable
+          target: aarch64-pc-windows-msvc
+      - name: Build for `aarch64-pc-windows-msvc`
+        run: cargo build -p aws-lc-rs --target aarch64-pc-windows-msvc --features bindgen
\ No newline at end of file
diff --git a/aws-lc-sys/aws-lc b/aws-lc-sys/aws-lc
index e7572ee050b..8ba3ae3e988 160000
--- a/aws-lc-sys/aws-lc
+++ b/aws-lc-sys/aws-lc
@@ -1 +1 @@
-Subproject commit e7572ee050b470b2d90e458ee32b8949e76193d5
+Subproject commit 8ba3ae3e988fcf3a15bb686e6ce188d55dd6515e
diff --git a/aws-lc-sys/builder/cmake_builder.rs b/aws-lc-sys/builder/cmake_builder.rs
index c95cb2d64e1..9b1633a89a5 100644
--- a/aws-lc-sys/builder/cmake_builder.rs
+++ b/aws-lc-sys/builder/cmake_builder.rs
@@ -2,7 +2,9 @@
 // SPDX-License-Identifier: Apache-2.0 OR ISC
 
 use crate::OutputLib::{Crypto, RustWrapper, Ssl};
-use crate::{target, target_arch, target_os, target_vendor, test_command, OutputLibType};
+use crate::{
+    target, target_arch, target_env, target_os, target_vendor, test_command, OutputLibType,
+};
 use std::env;
 use std::ffi::OsStr;
 use std::path::PathBuf;
@@ -118,6 +120,13 @@ impl CmakeBuilder {
             }
         }
 
+        if target_os() == "windows" && target_arch() == "aarch64" && target_env() == "msvc" {
+            cmake_cfg.generator("Ninja");
+            cmake_cfg.define("CMAKE_C_COMPILER", "clang-cl");
+            cmake_cfg.define("CMAKE_CXX_COMPILER", "clang-cl");
+            cmake_cfg.define("CMAKE_ASM_COMPILER", "clang-cl");
+        }
+
         if cfg!(feature = "asan") {
             env::set_var("CC", "clang");
             env::set_var("CXX", "clang++");