diff --git a/init.sh b/init.sh
index e78317f..4cef471 100644
--- a/init.sh
+++ b/init.sh
@@ -5,4 +5,5 @@ python3 -m venv ./venv
 source activate.sh
 
 pip install --upgrade pip
+pip install wheel
 pip install -e ".[dev]"
diff --git a/setup.py b/setup.py
index 41bd451..7177365 100644
--- a/setup.py
+++ b/setup.py
@@ -41,7 +41,7 @@ setup(
         'dev': [
             'pylint',
             'pycodestyle',
-            'pytest',
+            'pytest<6',
             'pytest-asyncio',
             'pytest-cov',
             'pytest-env',
@@ -51,7 +51,6 @@ setup(
             'sphinx',
             'sphinx_rtd_theme',
             'setuptools',
-            'wheel',
             'twine',
             'doc8'
         ]