diff --git a/.github/workflows/es-actions.yml b/.github/workflows/es-actions.yml
index d37b4343a..60f710bc2 100644
--- a/.github/workflows/es-actions.yml
+++ b/.github/workflows/es-actions.yml
@@ -38,6 +38,36 @@ jobs:
       env:
         BUILD_OPTIONS: -DESCARGOT_WASM=ON -DESCARGOT_TEMPORAL=ON -DESCARGOT_TCO=ON -DESCARGOT_TEST=ON -DESCARGOT_OUTPUT=shell -GNinja
       run: |
+        # check cpu
+        sysctl -a | grep machdep.cpu
+        # add icu path to pkg_config_path
+        export PKG_CONFIG_PATH="/usr/local/opt/icu4c/lib/pkgconfig:$PKG_CONFIG_PATH"
+        cmake -H. -Bout/debug/ -DESCARGOT_MODE=debug $BUILD_OPTIONS
+        ninja -Cout/debug/
+        $RUNNER --engine="./out/debug/escargot" new-es
+        cmake -H. -Bout/release/ -DESCARGOT_MODE=release $BUILD_OPTIONS
+        ninja -Cout/release/
+        cp test/octane/*.js .
+        ./out/release/escargot run.js
+
+  build-on-macos-arm64:
+    runs-on: macos-latest
+    steps:
+    - uses: actions/checkout@v4
+      with:
+        submodules: recursive
+    - name: Install Packages
+      run: |
+        brew update
+        brew install cmake ninja pkg-config icu4c
+    - name: Build arm64
+      env:
+        BUILD_OPTIONS: -DESCARGOT_WASM=ON -DESCARGOT_TEMPORAL=ON -DESCARGOT_TCO=ON -DESCARGOT_TEST=ON -DESCARGOT_OUTPUT=shell -GNinja
+      run: |
+        # check cpu
+        sysctl -a | grep machdep.cpu
+        # add icu path to pkg_config_path
+        export PKG_CONFIG_PATH="/opt/homebrew/opt/icu4c/lib/pkgconfig:$PKG_CONFIG_PATH"
         cmake -H. -Bout/debug/ -DESCARGOT_MODE=debug $BUILD_OPTIONS
         ninja -Cout/debug/
         $RUNNER --engine="./out/debug/escargot" new-es
@@ -365,7 +395,7 @@ jobs:
         submodules: true
     - name: Build
       env:
-        BUILD_OPTIONS: -DESCARGOT_HOST=linux -DESCARGOT_THREADING=ON -DESCARGOT_TEMPORAL=ON -DESCARGOT_TCO=ON -DESCARGOT_TEST=ON -DESCARGOT_OUTPUT=shell -GNinja
+        BUILD_OPTIONS: -DESCARGOT_THREADING=ON -DESCARGOT_TEMPORAL=ON -DESCARGOT_TCO=ON -DESCARGOT_TEST=ON -DESCARGOT_OUTPUT=shell -GNinja
       run: |
         LDFLAGS=" -L/usr/icu32/lib/ -Wl,-rpath=/usr/icu32/lib/" PKG_CONFIG_PATH="/usr/icu32/lib/pkgconfig/" cmake -H./ -Bbuild/out_linux -DESCARGOT_ARCH=x86 -DESCARGOT_MODE=debug -DESCARGOT_TCO_DEBUG=ON $BUILD_OPTIONS
         LDFLAGS=" -L/usr/icu32/lib/ -Wl,-rpath=/usr/icu32/lib/" PKG_CONFIG_PATH="/usr/icu32/lib/pkgconfig/" cmake -H./ -Bbuild/out_linux_release -DESCARGOT_ARCH=x86 $BUILD_OPTIONS
diff --git a/README.md b/README.md
index 8e69a907b..ede1dcedc 100644
--- a/README.md
+++ b/README.md
@@ -35,7 +35,7 @@ Escargot is an open-source project that allows developers to contribute to its d
 | **OS** | **Architecture** |
 |-|-|
 | **Linux(Ubuntu)** | x86/x64/arm/aarch64 |
-| macOS | x64 |
+| macOS | x64/aarch64 |
 | Windows | x86 |
 | Android | x86/x64/arm/aarch64 |
 
@@ -82,6 +82,11 @@ ninja
 General build prerequisites:
 ```sh
 brew install autoconf automake cmake icu4c libtool ninja pkg-config
+
+# add icu path to pkg_config_path (x64)
+export PKG_CONFIG_PATH="/usr/local/opt/icu4c/lib/pkgconfig:$PKG_CONFIG_PATH"
+# add icu path to pkg_config_path (arm64)
+export PKG_CONFIG_PATH="/opt/homebrew/opt/icu4c/lib/pkgconfig:$PKG_CONFIG_PATH"
 ```
 
 Build Escargot:
diff --git a/build/target.cmake b/build/target.cmake
index 651d22a0b..d2a6d1cb9 100644
--- a/build/target.cmake
+++ b/build/target.cmake
@@ -152,8 +152,11 @@ ELSEIF (${ESCARGOT_HOST} STREQUAL "android")
         # bdwgc android amd64 cannot support keeping back ptrs
         SET (ESCARGOT_THIRDPARTY_CFLAGS ${ESCARGOT_THIRDPARTY_CFLAGS} -UKEEP_BACK_PTRS -USAVE_CALL_COUNT -UDBG_HDRS_ALL)
     ENDIF()
-ELSEIF (${ESCARGOT_HOST} STREQUAL "darwin" AND ${ESCARGOT_ARCH} STREQUAL "x64")
+ELSEIF (${ESCARGOT_HOST} STREQUAL "darwin")
     FIND_PACKAGE (PkgConfig REQUIRED)
+    IF ((NOT ${ESCARGOT_ARCH} STREQUAL "x64") AND (NOT ${ESCARGOT_ARCH} STREQUAL "aarch64"))
+        MESSAGE (FATAL_ERROR ${ESCARGOT_ARCH} " is unsupported")
+    ENDIF()
     SET (ESCARGOT_LDFLAGS -lpthread -Wl,-dead_strip)
     SET (ESCARGOT_BUILD_64BIT_LARGE ON)
     # bdwgc mac cannot support pthread_getattr_np
@@ -162,8 +165,6 @@ ELSEIF (${ESCARGOT_HOST} STREQUAL "darwin" AND ${ESCARGOT_ARCH} STREQUAL "x64")
     IF (NOT DEFINED ESCARGOT_LIBICU_SUPPORT_WITH_DLOPEN)
         SET (ESCARGOT_LIBICU_SUPPORT_WITH_DLOPEN OFF)
     ENDIF()
-    # add pkg_config_path icu install path of brew
-    SET (ENV{PKG_CONFIG_PATH} "/usr/local/opt/icu4c/lib/pkgconfig:$ENV{PKG_CONFIG_PATH}")
 ELSEIF (${ESCARGOT_HOST} STREQUAL "windows")
     SET (ESCARGOT_LDFLAGS ${ESCARGOT_LDFLAGS} icu.lib)
     IF ((${ESCARGOT_ARCH} STREQUAL "x64") OR (${ESCARGOT_ARCH} STREQUAL "x86_64"))
diff --git a/third_party/walrus b/third_party/walrus
index 75dc3e4eb..4ae176a00 160000
--- a/third_party/walrus
+++ b/third_party/walrus
@@ -1 +1 @@
-Subproject commit 75dc3e4eb8ba92a1b064a8b7322be0faaf9d7d68
+Subproject commit 4ae176a0021136133292e4e0331ef9f536f527a1