diff --git a/Makefile b/Makefile
index 3875ef15..3ea8c06e 100644
--- a/Makefile
+++ b/Makefile
@@ -16,6 +16,7 @@ clean:
 	rm -rf build/
 	rm -rf dist/
 	rm -rf *.egg-info
+	rm -rf .tox/
 	find . -name __pycache__ -exec rm -rf {} \;
 	find . -name .mypy_cache -exec rm -rf {} \;
 	find . -name .pytest_cache -exec rm -rf {} \;
diff --git a/deposit.sh b/deposit.sh
index 2d066494..132dcb99 100755
--- a/deposit.sh
+++ b/deposit.sh
@@ -2,23 +2,24 @@
 
 if [[ "$OSTYPE" == "linux-gnu"* ]] || [[ "$OSTYPE" == "darwin"* ]]; then
     echo $OSTYPE
-
-    if [[ $1 == install ]]; then
+    if [[ $1 == "install" ]]; then
+        echo "Installing dependencies..."
         python3 -m pip3 install -r requirements.txt
         python3 setup.py install
         exit 1
     fi
-
+    echo "Running deposit-cli..."
     python3 ./eth2deposit/deposit.py "$@"
 
 elif [[ "$OSTYPE" == "msys" ]] || [[ "$OSTYPE" == "cygwin" ]]; then
     echo $OSTYPE
-    if [[ $1 == install ]]; then
+    if [[ $1 == "install" ]]; then
+        echo "Installing dependencies..."
         python -m pip install -r requirements.txt
         python setup.py install
         exit 1
     fi
-
+    echo "Running deposit-cli..."
     python ./eth2deposit/deposit.py "$@"
 
 else
diff --git a/setup.py b/setup.py
index 9dbfb7e4..8ad98666 100644
--- a/setup.py
+++ b/setup.py
@@ -6,5 +6,8 @@
 
 setup(
     name="eth2deposit",
+    version='0.0.0',
+    py_modules=["eth2deposit"],
     packages=find_packages(exclude=('tests', 'docs')),
+    python_requires=">=3.7,<4",
 )
diff --git a/test_deposit_script.py b/test_deposit_script.py
index 3e66b5e7..e40b87b9 100755
--- a/test_deposit_script.py
+++ b/test_deposit_script.py
@@ -11,18 +11,26 @@ async def main():
         os.mkdir(my_folder_path)
 
     if os.name == 'nt':  # Windows
-        script = 'sh deposit.sh'
+        run_script_cmd = 'sh deposit.sh'
     else:  # Mac or Linux
-        script = './deposit.sh'
+        run_script_cmd = './deposit.sh'
+
+    install_cmd = run_script_cmd + ' install'
+    print('[INFO] Creating subprocess 1: installation:' , install_cmd)
+    proc = await asyncio.create_subprocess_shell(
+        install_cmd,
+    )
+    await proc.wait()
+    print('[INFO] Installed')
 
     cmd_args = [
-        script,
+        run_script_cmd,
         '--num_validators', '1',
         '--mnemonic_language', 'english',
         '--password', 'MyPassword',
         '--folder', my_folder_path,
     ]
-    print('[INFO] Creating subprocess')
+    print('[INFO] Creating subprocess 2: deposit-cli')
     proc = await asyncio.create_subprocess_shell(
         ' '.join(cmd_args),
         stdin=asyncio.subprocess.PIPE,
diff --git a/tests/test_cli.py b/tests/test_cli.py
index 8c3de151..6c427a06 100644
--- a/tests/test_cli.py
+++ b/tests/test_cli.py
@@ -47,14 +47,19 @@ async def test_script():
     if not os.path.exists(my_folder_path):
         os.mkdir(my_folder_path)
 
+    if os.name == 'nt':  # Windows
+        run_script_cmd = 'sh deposit.sh'
+    else:  # Mac or Linux
+        run_script_cmd = './deposit.sh'
+
+    install_cmd = run_script_cmd + ' install'
     proc = await asyncio.create_subprocess_shell(
-        './deposit.sh install',
-        stdin=asyncio.subprocess.PIPE,
-        stdout=asyncio.subprocess.PIPE,
+        install_cmd,
     )
+    await proc.wait()
 
     cmd_args = [
-        './deposit.sh',
+        run_script_cmd,
         '--num_validators', '1',
         '--mnemonic_language', 'english',
         '--password', 'MyPassword',
diff --git a/tox.ini b/tox.ini
index 1017a36e..0242f04d 100644
--- a/tox.ini
+++ b/tox.ini
@@ -5,22 +5,24 @@ envlist=
     py{37,38}-script
 
 [testenv]
-usedevelop=True
 passenv=
     PYTEST_ADDOPTS
-extras = test
 basepython=
     py37: python3.7
     py38: python3.8
+
+[common-install]
 deps=
     -r{toxinidir}/requirements.txt
     -r{toxinidir}/requirements_test.txt
 
 [common-core]
+deps={[common-install]deps}
 commands=
     pytest {posargs:tests}
 
 [common-lint]
+deps={[common-install]deps}
 commands=
     flake8 --config={toxinidir}/flake8.ini {toxinidir}/cli {toxinidir}/tests
     mypy --config-file {toxinidir}/mypy.ini -p eth2deposit
@@ -32,15 +34,19 @@ commands=
     python {toxinidir}/test_deposit_script.py
 
 [testenv:py37-core]
+deps={[common-core]deps}
 commands={[common-core]commands}
 
 [testenv:py38-core]
+deps={[common-core]deps}
 commands={[common-core]commands}
 
 [testenv:py37-lint]
+deps={[common-lint]deps}
 commands={[common-lint]commands}
 
 [testenv:py38-lint]
+deps={[common-lint]deps}
 commands={[common-lint]commands}
 
 [testenv:py37-script]