diff --git a/.github/workflows/build-php.yml b/.github/workflows/build-php.yml
index 302312b3e..b86742cbc 100644
--- a/.github/workflows/build-php.yml
+++ b/.github/workflows/build-php.yml
@@ -6,13 +6,19 @@ on:
     tags:
       - "*"
 jobs:
-  build-linux:
-    runs-on: ${{ matrix.operating-system }}
+  build-php:
+    runs-on: ${{ matrix.os }}
     strategy:
       matrix:
-        operating-system: [ubuntu-latest]
+        os: [ubuntu-latest, macos-latest]
         php-version: ["8.2", "8.3", "8.4"]
-    name: PHP ${{ matrix.php-version }} build on ${{ matrix.operating-system }}
+        include:
+          - arch: x86_64
+            optimizations: -DED25519_REF10=OFF -DED25519_AMD64_RADIX_64_24K=ON
+          - os: macos-latest
+            arch: arm64
+            optimizations: -DED25519_REF10=ON
+    name: PHP ${{ matrix.php-version }} build on ${{ matrix.os }}
     steps:
       - name: Install PHP ${{ matrix.php-version }}
         uses: shivammathur/setup-php@v2
@@ -33,11 +39,11 @@ jobs:
         run: >
           cmake -Cconfigs/php-config.cmake \
               -DCMAKE_BUILD_TYPE=Release \
-              -DVIRGIL_PACKAGE_PLATFORM_ARCH=$(uname -m) \
+              -DVIRGIL_PACKAGE_PLATFORM_ARCH=${{ matrix.arch }} \
               -DVIRGIL_PACKAGE_LANGUAGE_VERSION=${{ matrix.php-version }} \
               -DCPACK_OUTPUT_FILE_PREFIX=php \
               -DENABLE_CLANGFORMAT=OFF \
-              -DED25519_AMD64_RADIX_64_24K=ON -DED25519_REF10=OFF \
+              ${{ matrix.optimizations }} \
               -Bbuild -S.
       - name: Build project
         run: cmake --build build -- -j$(nproc)