diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index db61b7a..e2772ac 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -68,6 +68,8 @@ jobs:
       - name: Setup Rust
         if: matrix.project.name == 'rust'
         uses: dtolnay/rust-toolchain@stable
+        with:
+          target: x86_64-apple-darwin,aarch64-apple-darwin
 
       - name: Build
         shell: bash
diff --git a/rustast/build.sh b/rustast/build.sh
index f8bf394..1ef72f9 100755
--- a/rustast/build.sh
+++ b/rustast/build.sh
@@ -6,19 +6,12 @@ ARCH=$(uname -m)
 
 echo "Building on $OS for $ARCH"
 
-if [ "$OS" = "darwin" ]; then
-    if [ "$ARCH" = "arm64" ]; then
-        cargo build --release
-        cp target/release/librustast.dylib ./librustast-arm64.dylib
-
-    elif [ "$ARCH" = "x86_64" ]; then
-        cargo build --release
-        cp target/release/librustast.dylib ./librustast-amd64.dylib
-
-    else
-        echo "Unsupported macOS architecture: $ARCH"
-        exit 1
-    fi
+if [ "$OS" = "darwin" ]; then 
+    cargo build --release --target aarch64-apple-darwin
+    cargo build --release --target x86_64-apple-darwin
+    
+    cp target/aarch64-apple-darwin/release/librustast.dylib ./librustast-arm64.dylib 
+    cp target/x86_64-apple-darwin/release/librustast.dylib ./librustast-amd64.dylib
 
 elif [ "$OS" = "linux" ]; then
     if [ "$ARCH" = "aarch64" ]; then