diff --git a/.github/workflows/v8-0.75.yml b/.github/workflows/v8-0.75.yml
index f63c483..a4c9b00 100644
--- a/.github/workflows/v8-0.75.yml
+++ b/.github/workflows/v8-0.75.yml
@@ -48,4 +48,47 @@ jobs:
         name: librusty_v8_release_aarch64-linux-android.a
         path: v8_src/target/aarch64-linux-android/release/gn_out/obj/librusty_v8.a
 
+  # build `rusty_v8 0.75` for `x86_64-linux-android`
+  build_x86_64:
+    runs-on: ubuntu-latest
+
+    steps:
+    - uses: actions/checkout@v3
+    - uses: denoland/setup-deno@v1
+      with:
+        deno-version: v1.x
+
+    - run: cargo fetch
+    # symlink `cargo_src` -> ~/.cargo/registry/src/XXX/
+    - run: cargo metadata | deno run -A get_cargo_src.js
+
+    # FIXME: we have to checkout v8 source, because there is missing files in rusty_v8
+    #### start checkout v8 source
+    - run: git clone https://chromium.googlesource.com/chromium/tools/depot_tools.git --single-branch --depth=1
+    - run: export PATH=$(pwd)/depot_tools:$PATH && echo $PATH && mkdir v8
+
+    # https://v8.dev/docs/source-code
+    - run: export PATH=$(pwd)/depot_tools:$PATH && cd v8 && gclient
+    - run: export PATH=$(pwd)/depot_tools:$PATH && cd v8 && fetch v8
+
+    # https://v8.dev/docs/cross-compile-arm
+    - run: echo "target_os = ['android']" >> v8/.gclient
+    - run: cat v8/.gclient
+
+    - run: export PATH=$(pwd)/depot_tools:$PATH && cd v8 && gclient sync
+    #### done checkout v8 source
+
+    # copy missing files
+    - run: cp -r cargo_src/v8-0.75.0 v8_src
+    - run: cp -rn v8/v8/build/android v8_src/build || true
+
+    # build
+    - run: cd v8_src && rustup target add x86_64-linux-android
+    - run: cd v8_src && V8_FROM_SOURCE=1 cargo build -vv --release --target x86_64-linux-android
+
+    - uses: actions/upload-artifact@v3
+      with:
+        name: librusty_v8_release_x86_64-linux-android.a
+        path: v8_src/target/x86_64-linux-android/release/gn_out/obj/librusty_v8.a
+
 # TODO
diff --git a/README.md b/README.md
index 6c1521c..5eef2dc 100644
--- a/README.md
+++ b/README.md
@@ -11,6 +11,7 @@
 本项目使用 github actions 编译 [rusty_v8](https://github.com/denoland/rusty_v8):
 
 + `librusty_v8_release_aarch64-linux-android.a`
++ `librusty_v8_release_x86_64-linux-android.a`
 
 
 TODO