diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index b198ec3..3ebab0e 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -36,8 +36,6 @@ pylint:
   script:
     - source .venv/bin/activate
     - pylint --version
-    # - pylint --disable fixme ociedoo
-    # - pylint --disable fixme tests
 
 pytest:
   stage: tests
diff --git a/odoo_openupgrade_wizard/tools_system.py b/odoo_openupgrade_wizard/tools_system.py
index c8b91b4..608acfc 100644
--- a/odoo_openupgrade_wizard/tools_system.py
+++ b/odoo_openupgrade_wizard/tools_system.py
@@ -1,6 +1,5 @@
 import argparse
 import os
-import subprocess
 
 from git_aggregator import main as gitaggregate_cmd
 from git_aggregator.utils import working_directory_keeper
@@ -8,6 +7,7 @@ from jinja2 import Template
 from loguru import logger
 from plumbum import local
 from plumbum.cmd import mkdir
+from virtualenv.run import cli_run as virtualenv_cmd
 
 
 def ensure_folder_exists(folder_path, mode=False):
@@ -72,11 +72,10 @@ def create_virtualenv(folder_path, python_version):
     Create a virtual env named ``env`` in the ``folder_path`` folder
     with the given ``python_version``.
     """
+
     with local.cwd(folder_path):
         logger.info(
             "Create Virtual Env in %s with version %s"
             % (folder_path, python_version)
         )
-        subprocess.check_output(
-            ["virtualenv", "env", "--python", python_version]
-        )
+        virtualenv_cmd(["env", "--python", python_version])
diff --git a/poetry.lock b/poetry.lock
index 98a91ab..9487754 100644
--- a/poetry.lock
+++ b/poetry.lock
@@ -134,7 +134,7 @@ toml = ["tomli"]
 name = "distlib"
 version = "0.3.4"
 description = "Distribution utilities"
-category = "dev"
+category = "main"
 optional = false
 python-versions = "*"
 
@@ -158,7 +158,7 @@ pipenv = ["pipenv"]
 name = "filelock"
 version = "3.4.1"
 description = "A platform independent file lock."
-category = "dev"
+category = "main"
 optional = false
 python-versions = ">=3.6"
 
@@ -223,7 +223,7 @@ testing = ["pytest (>=6)", "pytest-checkdocs (>=2.4)", "pytest-flake8", "pytest-
 name = "importlib-resources"
 version = "5.4.0"
 description = "Read resources from Python packages"
-category = "dev"
+category = "main"
 optional = false
 python-versions = ">=3.6"
 
@@ -346,7 +346,7 @@ pyparsing = ">=2.0.2,<3.0.5 || >3.0.5"
 name = "platformdirs"
 version = "2.4.0"
 description = "A small Python module for determining appropriate platform-specific dirs, e.g. a \"user data dir\"."
-category = "dev"
+category = "main"
 optional = false
 python-versions = ">=3.6"
 
@@ -557,7 +557,7 @@ importlib_metadata = {version = ">=3.0,<5", markers = "python_version < \"3.8\""
 name = "six"
 version = "1.16.0"
 description = "Python 2 and 3 compatibility utilities"
-category = "dev"
+category = "main"
 optional = false
 python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*"
 
@@ -651,7 +651,7 @@ socks = ["PySocks (>=1.5.6,!=1.5.7,<2.0)"]
 name = "virtualenv"
 version = "20.14.0"
 description = "Virtual Python Environment builder"
-category = "dev"
+category = "main"
 optional = false
 python-versions = "!=3.0.*,!=3.1.*,!=3.2.*,!=3.3.*,!=3.4.*,>=2.7"
 
@@ -701,7 +701,7 @@ testing = ["pytest (>=4.6)", "pytest-checkdocs (>=2.4)", "pytest-flake8", "pytes
 [metadata]
 lock-version = "1.1"
 python-versions = "^3.6"
-content-hash = "cff9b335836283e1c1f9185ba1b575de62e19d3d6409257a03836f9a8cfaaaf5"
+content-hash = "fbd32c0469f499827b4fd98ab355e0a83cf9c53606a59eb545b47f5029364d74"
 
 [metadata.files]
 aiocontextvars = [
diff --git a/pyproject.toml b/pyproject.toml
index 3d4a696..59e678d 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -31,6 +31,7 @@ loguru = "^0.6"
 plumbum = "^1.7"
 single-source = "^0.3"
 git-aggregator = "^2.1"
+virtualenv = "^20.14"
 pyyaml = "5.4.1"
 
 [tool.poetry.dev-dependencies]