diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index b08fffdf..fc19f4f3 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -12,7 +12,7 @@ permissions: write-all
 
 jobs:
   build:
-    name: ${{ matrix.config.variant }} ${{ matrix.config.target }}
+    name: ${{ matrix.config.variant }} ${{ matrix.config.target }} ${{ matrix.config.v8_enable_pointer_compression && 'ptrcomp' || '' }}
     runs-on: ${{ matrix.config.os }}
     timeout-minutes: 180
     strategy:
@@ -30,58 +30,82 @@ jobs:
           - os: macos-13
             target: x86_64-apple-darwin
             variant: debug
+            v8_enable_pointer_compression: false
             cargo: cargo
 
           - os: macos-13
             target: x86_64-apple-darwin
             variant: release
+            v8_enable_pointer_compression: false
             cargo: cargo
 
           - os: macos-14
             target: aarch64-apple-darwin
             variant: asan
+            v8_enable_pointer_compression: false
             cargo: cargo
 
           - os: macos-14
             target: aarch64-apple-darwin
             variant: debug
+            v8_enable_pointer_compression: false
             cargo: cargo
 
           - os: macos-14
             target: aarch64-apple-darwin
             variant: release
+            v8_enable_pointer_compression: false
             cargo: cargo
 
           - os: ${{ github.repository == 'denoland/rusty_v8' && 'ubuntu-22.04-xl' || 'ubuntu-22.04' }}
             target: x86_64-unknown-linux-gnu
             variant: debug
+            v8_enable_pointer_compression: false
             cargo: cargo
 
           - os: ${{ github.repository == 'denoland/rusty_v8' && 'ubuntu-22.04-xl' || 'ubuntu-22.04' }}
             target: x86_64-unknown-linux-gnu
             variant: release
+            v8_enable_pointer_compression: false
+            cargo: cargo
+
+          - os: ${{ github.repository == 'denoland/rusty_v8' && 'ubuntu-22.04-xl' || 'ubuntu-22.04' }}
+            target: x86_64-unknown-linux-gnu
+            variant: debug
+            v8_enable_pointer_compression: true
+            cargo: cargo
+
+          - os: ${{ github.repository == 'denoland/rusty_v8' && 'ubuntu-22.04-xl' || 'ubuntu-22.04' }}
+            target: x86_64-unknown-linux-gnu
+            variant: release
+            v8_enable_pointer_compression: true
             cargo: cargo
 
           - os: ${{ github.repository == 'denoland/rusty_v8' && 'windows-2022-xxl' || 'windows-2022' }}
             target: x86_64-pc-windows-msvc
             variant: release # Note: we do not support windows debug builds.
+            v8_enable_pointer_compression: false
             cargo: cargo
 
           - os: ${{ github.repository == 'denoland/rusty_v8' && 'ubuntu-22.04-xl' || 'ubuntu-22.04' }}
             target: aarch64-unknown-linux-gnu
             variant: debug
+            v8_enable_pointer_compression: false
             cargo: cargo
 
           - os: ${{ github.repository == 'denoland/rusty_v8' && 'ubuntu-22.04-xl' || 'ubuntu-22.04' }}
             target: aarch64-unknown-linux-gnu
             variant: release
+            v8_enable_pointer_compression: false
             cargo: cargo
 
     env:
       V8_FROM_SOURCE: true
       CARGO_VARIANT_FLAG: ${{ matrix.config.variant == 'release' && '--release' || '' }}
+      CARGO_FEATURE_FLAGS: ${{ matrix.config.v8_enable_pointer_compression && '--features v8_enable_pointer_compression' || '' }}
       LIB_NAME: ${{ contains(matrix.config.target, 'windows') && 'rusty_v8' || 'librusty_v8' }}
       LIB_EXT: ${{ contains(matrix.config.target, 'windows') && 'lib' || 'a' }}
+      FEATURES_SUFFIX: ${{ matrix.config.v8_enable_pointer_compression && '_ptrcomp' || '' }}
       RUSTFLAGS: -D warnings
 
     steps:
@@ -143,10 +167,8 @@ jobs:
             target/*/.*
             target/*/build
             target/*/deps
-          key:
-            cargo-${{ matrix.config.target }}-${{ matrix.config.variant }}-${{ hashFiles('Cargo.lock', 'build.rs', 'git_submodule_status.txt') }}
-          restore-keys:
-            cargo-${{ matrix.config.target }}-${{ matrix.config.variant }}-
+          key: cargo-${{ matrix.config.target }}-${{ matrix.config.variant }}-{{ matrix.config.v8_enable_pointer_compression }}-${{ hashFiles('Cargo.lock', 'build.rs', 'git_submodule_status.txt') }}
+          restore-keys: cargo-${{ matrix.config.target }}-${{ matrix.config.variant }}-{{ matrix.config.v8_enable_pointer_compression }}-
 
       - name: Install and start sccache
         shell: pwsh
@@ -207,21 +229,19 @@ jobs:
         env:
           SCCACHE_IDLE_TIMEOUT: 0
         if: matrix.config.variant == 'debug' || matrix.config.variant == 'release'
-        run:
-          ${{ matrix.config.cargo }} nextest run -v --cargo-verbose --cargo-verbose --all-targets --locked --target ${{ matrix.config.target }} ${{ env.CARGO_VARIANT_FLAG }}
+        run: ${{ matrix.config.cargo }} nextest run -v --cargo-verbose --cargo-verbose --all-targets --locked --target ${{ matrix.config.target }} ${{ env.CARGO_VARIANT_FLAG }} ${{ env.CARGO_FEATURE_FLAGS }}
 
       - name: Clippy
-        run:
-          ${{ matrix.config.cargo }} clippy --all-targets --locked ${{ env.CARGO_VARIANT_FLAG }} --target ${{ matrix.config.target }} -- -D clippy::all
+        run: ${{ matrix.config.cargo }} clippy --all-targets --locked --target ${{ matrix.config.target }} ${{ env.CARGO_VARIANT_FLAG }} ${{ env.CARGO_FEATURE_FLAGS }} -- -D clippy::all
 
       - name: Prepare binary publish
         if: matrix.config.variant == 'debug' || matrix.config.variant == 'release'
         run: |
-          gzip -9c target/${{ matrix.config.target }}/${{ matrix.config.variant }}/gn_out/obj/${{ env.LIB_NAME }}.${{ env.LIB_EXT }} > target/${{ env.LIB_NAME }}_${{ matrix.config.variant }}_${{ matrix.config.target }}.${{ env.LIB_EXT }}.gz
-          ls -l target/${{ env.LIB_NAME }}_${{ matrix.config.variant }}_${{ matrix.config.target }}.${{ env.LIB_EXT }}.gz
+          gzip -9c target/${{ matrix.config.target }}/${{ matrix.config.variant }}/gn_out/obj/${{ env.LIB_NAME }}.${{ env.LIB_EXT }} > target/${{ env.LIB_NAME }}${{ env.FEATURES_SUFFIX }}_${{ matrix.config.variant }}_${{ matrix.config.target }}.${{ env.LIB_EXT }}.gz
+          ls -l target/${{ env.LIB_NAME }}${{ env.FEATURES_SUFFIX }}_${{ matrix.config.variant }}_${{ matrix.config.target }}.${{ env.LIB_EXT }}.gz
 
-          cp target/${{ matrix.config.target }}/${{ matrix.config.variant}}/gn_out/src_binding.rs target/src_binding_${{ matrix.config.variant }}_${{ matrix.config.target }}.rs
-          ls -l target/src_binding_${{ matrix.config.variant }}_${{ matrix.config.target }}.rs
+          cp target/${{ matrix.config.target }}/${{ matrix.config.variant}}/gn_out/src_binding.rs target/src_binding${{ env.FEATURES_SUFFIX }}_${{ matrix.config.variant }}_${{ matrix.config.target }}.rs
+          ls -l target/src_binding${{ env.FEATURES_SUFFIX }}_${{ matrix.config.variant }}_${{ matrix.config.target }}.rs
 
       - name: Binary publish
         uses: softprops/action-gh-release@v0.1.15
@@ -233,14 +253,14 @@ jobs:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
         with:
           files: |
-            target/${{ env.LIB_NAME }}_${{ matrix.config.variant }}_${{ matrix.config.target }}.${{ env.LIB_EXT }}.gz
-            target/src_binding_${{ matrix.config.variant }}_${{ matrix.config.target }}.rs
+            target/${{ env.LIB_NAME }}${{ env.FEATURES_SUFFIX }}_${{ matrix.config.variant }}_${{ matrix.config.target }}.${{ env.LIB_EXT }}.gz
+            target/src_binding${{ env.FEATURES_SUFFIX }}_${{ matrix.config.variant }}_${{ matrix.config.target }}.rs
 
       - name: Upload CI artifacts
         uses: actions/upload-artifact@v4
         with:
-          name: src_binding_${{ matrix.config.variant }}_${{ matrix.config.target }}.rs
-          path: target/src_binding_${{ matrix.config.variant }}_${{ matrix.config.target }}.rs
+          name: src_binding${{ env.FEATURES_SUFFIX }}_${{ matrix.config.variant }}_${{ matrix.config.target }}.rs
+          path: target/src_binding${{ env.FEATURES_SUFFIX }}_${{ matrix.config.variant }}_${{ matrix.config.target }}.rs
 
   publish:
     needs: build
diff --git a/Cargo.toml b/Cargo.toml
index 402b06bb..2f7b6076 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -97,6 +97,7 @@ opt-level = 1
 [features]
 default = ["use_custom_libcxx"]
 use_custom_libcxx = []
+v8_enable_pointer_compression = []
 
 [dependencies]
 bitflags = "2.5"
diff --git a/build.rs b/build.rs
index f9a5a7e0..4c0cc2bb 100644
--- a/build.rs
+++ b/build.rs
@@ -195,10 +195,14 @@ fn build_v8(is_asan: bool) {
   if is_asan {
     gn_args.push("is_asan=true".to_string());
   }
-  if env::var("CARGO_FEATURE_USE_CUSTOM_LIBCXX").is_err() {
-    gn_args.push("use_custom_libcxx=false".to_string());
-  }
-
+  gn_args.push(format!(
+    "use_custom_libcxx={}",
+    env::var("CARGO_FEATURE_USE_CUSTOM_LIBCXX").is_ok()
+  ));
+  gn_args.push(format!(
+    "v8_enable_pointer_compression={}",
+    env::var("CARGO_FEATURE_V8_ENABLE_POINTER_COMPRESSION").is_ok()
+  ));
   // Fix GN's host_cpu detection when using x86_64 bins on Apple Silicon
   if cfg!(target_os = "macos") && cfg!(target_arch = "aarch64") {
     gn_args.push("host_cpu=\"arm64\"".to_string())
@@ -399,6 +403,14 @@ fn prebuilt_profile() -> &'static str {
   }
 }
 
+fn prebuilt_features_suffix() -> String {
+  let mut features = String::new();
+  if env::var("CARGO_FEATURE_V8_ENABLE_POINTER_COMPRESSION").is_ok() {
+    features.push_str("_ptrcomp");
+  }
+  features
+}
+
 fn static_lib_name(suffix: &str) -> String {
   let target_os = env::var("CARGO_CFG_TARGET_OS").unwrap();
   if target_os == "windows" {
@@ -418,11 +430,12 @@ fn static_lib_url() -> String {
   let version = env::var("CARGO_PKG_VERSION").unwrap();
   let target = env::var("TARGET").unwrap();
   let profile = prebuilt_profile();
+  let features = prebuilt_features_suffix();
   format!(
     "{}/v{}/{}.gz",
     base,
     version,
-    static_lib_name(&format!("_{}_{}", profile, target)),
+    static_lib_name(&format!("{}_{}_{}", features, profile, target)),
   )
 }
 
@@ -691,7 +704,8 @@ fn print_prebuilt_src_binding_path() {
 
   let target = env::var("TARGET").unwrap();
   let profile = prebuilt_profile();
-  let name = format!("src_binding_{}_{}.rs", profile, target);
+  let features = prebuilt_features_suffix();
+  let name = format!("src_binding{}_{}_{}.rs", features, profile, target);
 
   let src_binding_path = get_dirs().root.join("gen").join(name.clone());