diff --git a/web3/scripts/release/test_package.py b/web3/scripts/release/test_package.py
index bf75f745d3..cd3d6dc6ee 100644
--- a/web3/scripts/release/test_package.py
+++ b/web3/scripts/release/test_package.py
@@ -5,17 +5,20 @@
 from tempfile import (
     TemporaryDirectory,
 )
+from typing import (
+    Tuple,
+)
 import venv
 
 
-def create_venv(parent_path):
+def create_venv(parent_path: Path) -> Path:
     venv_path = parent_path / 'package-smoke-test'
     venv.create(venv_path, with_pip=True)
     subprocess.run([venv_path / 'bin' / 'pip', 'install', '-U', 'pip', 'setuptools'], check=True)
     return venv_path
 
 
-def find_wheel(project_path):
+def find_wheel(project_path: Path) -> Path:
     wheels = list(project_path.glob('dist/*.whl'))
 
     if len(wheels) != 1:
@@ -26,7 +29,9 @@ def find_wheel(project_path):
     return wheels[0]
 
 
-def install_wheel(venv_path, wheel_path, extras=()):
+def install_wheel(
+    venv_path: Path, wheel_path: Path, extras: Tuple[str, ...] = ()
+) -> None:
     if extras:
         extra_suffix = f"[{','.join(extras)}]"
     else:
@@ -42,7 +47,7 @@ def install_wheel(venv_path, wheel_path, extras=()):
     )
 
 
-def test_install_local_wheel():
+def test_install_local_wheel() -> None:
     with TemporaryDirectory() as tmpdir:
         venv_path = create_venv(Path(tmpdir))
         wheel_path = find_wheel(Path('.'))