diff --git a/scripts/validate-minimum-dependency-versions b/scripts/validate-minimum-dependency-versions
--- a/scripts/validate-minimum-dependency-versions
+++ b/scripts/validate-minimum-dependency-versions
@@ -28,14 +28,11 @@ mkdir -p "$venv"
 sed -n 's/.*"\(.*\)>=\(.*\)".*/\1==\2/p' setup.py > "$min_requirements"
 sed 's/>=/==/p' dev_requirements.txt >> "$min_requirements"
 
-virtualenv -p "$(command -v python2)" "$venv"
+python3 -m venv "$venv"
 source "$venv/bin/activate"
 pip install --upgrade pip setuptools
 pip install -e . -r "$min_requirements" python-ldap python-pam 2> >(tee "$log" >&2)
 
-# Strip out the known Python 2.7 deprecation message.
-sed -i '/DEPRECATION: Python 2\.7 /d' "$log"
-
 # Treat any message on stderr as a problem, for the caller to interpret.
 if [ -s "$log" ]; then
     echo