diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md
index 30772d1..709e3fc 100644
--- a/CONTRIBUTING.md
+++ b/CONTRIBUTING.md
@@ -8,6 +8,7 @@ Note: This file is a work in progress.
 # Code Cleanup
 pre-commit run --all-files
 # Run tox tests
+
 export PATH="$HOME/.local/share/mise/shims:$PATH"
 pdm run tox run-parallel
 # Ensure no regression is pushed
@@ -27,24 +28,24 @@ git push --tags
 ## Github Action Release
 
 - Visit https://github.com/laluka/bypass-url-parser/actions/workflows/release.yml
-- Run Workflow with a version such as `0.4.2` or `0.4.2.a` for alpha tests
+- Run Workflow with a version such as `0.4.3` or `0.4.3.a` for alpha tests
 - Test the alpha version with the below script, once done, repeat without `.a`
 
 ```bash
-cd /tmp
-export TESTED_VERSION=0.4.2a
-pipx install "bypass-url-parser==$TESTED_VERSION"
+cd /tmp && virtualenv -p python3 .py3 && source .py3/bin/activate
+export TESTED_VERSION=0.4.3a
+pip install "bypass-url-parser==$TESTED_VERSION"
 bup --version && bup -u https://thinkloveshare.com/ -t 50 -m http_headers_scheme
-pipx uninstall bypass-url-parser
+pip uninstall bypass-url-parser
 bup --version # Should fail
 
-pip install "bypass-url-parser==$TESTED_VERSION"
+pipx install -f "bypass-url-parser==$TESTED_VERSION"
 bup --version && bup -u https://thinkloveshare.com/ -t 50 -m http_headers_scheme
-pip uninstall bypass-url-parser
+pipx uninstall bypass-url-parser
 bup --version # Should fail
 
 for version in {8..13}; do
-  docker run --rm -it "python:3.$version" bash -c "pip install bypass-url-parser==$TESTED_VERSION && bup --version && bup -u https://thinkloveshare.com/ -t 50 -m http_headers_scheme"
+  docker run --net=host --rm -it "python:3.$version" bash -c "pip install bypass-url-parser==$TESTED_VERSION && bup --version && bup -u https://thinkloveshare.com/ -t 50 -m http_headers_scheme"
 done
 ```