diff --git a/scripts/check_wheel_contents.py b/scripts/check_wheel_contents.py
index 72a438f80..3b585b2bf 100644
--- a/scripts/check_wheel_contents.py
+++ b/scripts/check_wheel_contents.py
@@ -38,6 +38,7 @@ EXPECTED_MODEL_SHA256 = {
     ),
 }
 MAX_BASE_WHEEL_BYTES = 4 * 1024 * 1024
+MAX_BASE_PLATFORM_WHEEL_BYTES = 6 * 1024 * 1024
 MAX_CORE_WHEEL_BYTES = 30 * 1024 * 1024
 CORE_REQUIRED_SDIST_MEMBERS = {
     "core/Cargo.lock",
@@ -100,6 +101,9 @@ def _onnx_members(path: Path) -> list[str]:
 
 def check_base_wheel(path: Path, max_bytes: int) -> list[str]:
     errors: list[str] = []
+    if not path.name.endswith("-any.whl"):
+        # platform base wheels bundle the notarized parakeet helper binary
+        max_bytes = max(max_bytes, MAX_BASE_PLATFORM_WHEEL_BYTES)
     size = path.stat().st_size
     if size > max_bytes:
         errors.append(f"{path.name}: base wheel is {size} bytes; max is {max_bytes}")
diff --git a/tests/test_check_wheel_contents.py b/tests/test_check_wheel_contents.py
index c97db35a8..f0ac6e935 100644
--- a/tests/test_check_wheel_contents.py
+++ b/tests/test_check_wheel_contents.py
@@ -136,6 +136,28 @@ def test_base_wheel_validator_rejects_tests_path_segment(tmp_path: Path) -> None
     )
 
 
+def test_base_wheel_platform_cap_allows_bundled_helper(tmp_path: Path) -> None:
+    within = tmp_path / "solstone-1.2.3-py3-none-macosx_14_0_arm64.whl"
+    with zipfile.ZipFile(within, "w") as wheel:
+        _write_member(
+            wheel,
+            "solstone-1.2.3.data/scripts/helper",
+            b"x" * (5 * 1024 * 1024),
+        )
+    within_errors = checker.check_base_wheel(within, checker.MAX_BASE_WHEEL_BYTES)
+    assert not [error for error in within_errors if "base wheel is" in error]
+
+    oversized = tmp_path / "solstone_big-1.2.3-py3-none-macosx_14_0_arm64.whl"
+    with zipfile.ZipFile(oversized, "w") as wheel:
+        _write_member(
+            wheel,
+            "solstone_big-1.2.3.data/scripts/helper",
+            b"x" * (7 * 1024 * 1024),
+        )
+    oversized_errors = checker.check_base_wheel(oversized, checker.MAX_BASE_WHEEL_BYTES)
+    assert any("base wheel is" in error for error in oversized_errors)
+
+
 def _add_tar_member(archive: tarfile.TarFile, name: str) -> None:
     content = b"x"
     info = tarfile.TarInfo(name)