diff --git a/covid19python.toml b/covid19python.toml
index d91835947733727ee73ede179616e5d14365abb7..1e350f1f407f6485ab5e477c2a183373331ae2ed 100644
--- a/covid19python.toml
+++ b/covid19python.toml
@@ -1,18 +1,59 @@
 [build-system]
 requires = [
-    "setuptools>=53",
-    "pip>=21",
-    "wheel>=0.36.2",
-    "pip-licenses==3.3.0",
-    "pip-tools==5.5.0",
-    "packaging==20.0",
-    "npmdownloader>=1.2.1",
-    "flask-debugtoolbar>=0.11.0",
-    "py2puml==0.3.1",
-    "plantuml-creator==1.0.7",
-    "plantuml-markdown==3.4.2",
-    "plantuml-wrapper==0.1.0",
-    "plantuml-gentools==0.1.2",
-    "plantuml2freemind==0.8.2"
+   	"appdirs==1.4.4",
+	"argparse==1.4.0",
+	"atomicwrites==1.4.0",
+	"attrs==19.3.0",
+	"certifi==2020.12.5",
+	"chardet==4.0.0",
+	"cleo==0.8.1",
+	"click==7.1.2",
+	"clikit==0.6.2",
+	"colorama==0.4.4",
+	"crashtest==0.3.1",
+	"distlib==0.3.1",
+	"filelock==3.0.12",
+	"httplib2==0.19.0",
+	"idna==2.10",
+	"importlib-metadata==1.3.0",
+	"markdown==3.3.3",
+	"more-itertools==8.0.2",
+	"packaging==20.0",
+	"pastel==0.2.1",
+	"pip-licenses==3.3.0",
+	"pip-tools==5.5.0",
+	"pipenv==2020.11.15",
+	"plantuml-creator==1.0.7",
+	"plantuml-gentools==0.1.2",
+	"plantuml-markdown==3.4.2",
+	"plantuml-wrapper==0.1.0",
+	"plantuml2freemind==0.8.2",
+	"plantuml==0.3.0",
+	"pluggy==0.13.1",
+	"ptable==0.9.2",
+	"py2puml==0.3.1",
+	"py==1.8.1",
+	"pyaml==20.4.0",
+	"pylev==1.3.0",
+	"pyparsing==2.4.6",
+	"pytest==5.3.2",
+	"python-magic==0.4.22",
+	"pytoml==0.1.21",
+	"pytoolbox==14.0.0",
+	"pytz==2021.1",
+	"pyyaml==5.4.1",
+	"requests==2.25.1",
+	"ruamel-yaml==0.15.87",
+	"six==1.13.0",
+	"str2bool==1.1",
+	"stringcase==1.2.0",
+	"typing-extensions==3.7.4.3",
+	"urllib3==1.26.3",
+	"venv-run==0.1.0",
+	"virtualenv-clone==0.5.4",
+	"virtualenv==20.4.2",
+	"wcwidth==0.1.8",
+	"wheel==0.36.2",
+	"zipp==0.6.0",
 ]
 build-backend = "setuptools.build_meta"