diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 0132b3f..9e3b817 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -76,6 +76,28 @@ jobs:
       - name: Run tests
         run: uv run --no-sync pytest -vs
 
+  walltime-macos-test:
+    runs-on: macos-latest
+    steps:
+      - uses: actions/checkout@v5
+        with:
+          submodules: true
+      - uses: astral-sh/setup-uv@v7
+      - uses: actions/setup-python@v6
+        with:
+          python-version: "3.14"
+      - name: Install dependencies
+        run: uv sync --all-extras --dev --locked
+      - name: Run the benchmarks
+        uses: CodSpeedHQ/action@main
+        env:
+          CODSPEED_SKIP_UPLOAD: "true"
+        with:
+          run: uv run pytest tests/benchmarks/test_bench_fibo.py --codspeed
+          mode: walltime
+          # TODO: Remove this once the runner has been released with macos support
+          runner-version: branch:main
+
   all-checks:
     runs-on: ubuntu-latest
     steps:
@@ -83,3 +105,4 @@ jobs:
     needs:
       - static-analysis
       - tests
+      - walltime-macos-test
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index bc92b50..5355e8b 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -19,6 +19,8 @@ jobs:
             arch: x86_64
           - runs-on: codspeedhq-arm64-ubuntu-24.04
             arch: aarch64
+          - runs-on: macos-latest
+            arch: arm64
 
     runs-on: ${{ matrix.platform.runs-on }}
     steps:
@@ -34,7 +36,7 @@ jobs:
 
       - uses: actions/upload-artifact@v4
         with:
-          name: wheels-${{ matrix.platform.arch }}
+          name: wheels-${{ matrix.platform.runs-on }}-${{ matrix.platform.arch }}
           path: wheelhouse/*.whl
 
   build-py3-none-any:
diff --git a/pyproject.toml b/pyproject.toml
index 5b2e0f4..86b4d00 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -98,7 +98,7 @@ push = false
 ]
 
 [tool.cibuildwheel]
-build = "cp*manylinux*"
+build = "cp*{manylinux,macosx}*"
 test-extras = ["build", "test", "compat"]
 test-command = "pytest -v --ignore={project}/tests/benchmarks {project}/tests"
 
@@ -108,6 +108,9 @@ manylinux-x86_64-image = "manylinux_2_28"
 manylinux-aarch64-image = "manylinux_2_28"
 before-all = "yum -y install valgrind-devel"
 
+[tool.cibuildwheel.macos]
+environment = { PYTEST_CODSPEED_FORCE_EXTENSION_BUILD = "1" }
+
 [tool.mypy]
 python_version = "3.12"
 
diff --git a/setup.py b/setup.py
index e0657bb..260dd88 100644
--- a/setup.py
+++ b/setup.py
@@ -18,10 +18,9 @@
 
 print(f"System: {system} ({current_arch})")
 
-IS_EXTENSION_BUILDABLE = system == "Linux" and current_arch in [
-    "x86_64",
-    "aarch64",
-]
+IS_EXTENSION_BUILDABLE = (
+    system == "Linux" and current_arch in ["x86_64", "aarch64"]
+) or (system == "Darwin" and current_arch == "arm64")
 
 IS_EXTENSION_REQUIRED = (
     os.environ.get("PYTEST_CODSPEED_FORCE_EXTENSION_BUILD") is not None
diff --git a/src/pytest_codspeed/instruments/hooks/build.py b/src/pytest_codspeed/instruments/hooks/build.py
index 5577e4a..24f6fcc 100644
--- a/src/pytest_codspeed/instruments/hooks/build.py
+++ b/src/pytest_codspeed/instruments/hooks/build.py
@@ -10,7 +10,7 @@
 
 # Manually copied from `instrument-hooks/includes/core.h` to avoid parsing issues
 ffibuilder.cdef("""
-typedef uint64_t *InstrumentHooks;
+typedef struct InstrumentHooks InstrumentHooks;
 
 InstrumentHooks *instrument_hooks_init(void);
 void instrument_hooks_deinit(InstrumentHooks *);
@@ -28,7 +28,7 @@
 #define MARKER_TYPE_BENCHMARK_START 2
 #define MARKER_TYPE_BENCHMARK_END 3
 
-uint8_t instrument_hooks_add_marker(InstrumentHooks *, uint32_t pid,
+uint8_t instrument_hooks_add_marker(InstrumentHooks *, int32_t pid,
                                    uint8_t marker_type, uint64_t timestamp);
 uint64_t instrument_hooks_current_timestamp(void);
 
@@ -44,7 +44,7 @@
                                               const char *key,
                                               const char *const *values,
                                               uint32_t count);
-uint8_t instrument_hooks_write_environment(InstrumentHooks *, uint32_t pid);
+uint8_t instrument_hooks_write_environment(InstrumentHooks *, int32_t pid);
 """)
 
 ffibuilder.set_source(
diff --git a/src/pytest_codspeed/instruments/hooks/instrument-hooks b/src/pytest_codspeed/instruments/hooks/instrument-hooks
index 9097bfd..ecdf31a 160000
--- a/src/pytest_codspeed/instruments/hooks/instrument-hooks
+++ b/src/pytest_codspeed/instruments/hooks/instrument-hooks
@@ -1 +1 @@
-Subproject commit 9097bfd9e018777c566e3e11a148e464258d52e2
+Subproject commit ecdf31a3afd0fb879823e40df65129ec823d374b