diff --git a/requirements.txt b/requirements.txt
index 53faad7..6b5f47a 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,6 +1,6 @@
 # these are requirements for developing/testing/releasing virtualenvwrapper-win
 
-virtualenv>=15.1.0
+virtualenv>=20.11.2
 invoke==1.2.0
 twine>=1.12.0
 readme-renderer>=30.0
diff --git a/scripts/mkvirtualenv.bat b/scripts/mkvirtualenv.bat
index 6480649..4595783 100644
--- a/scripts/mkvirtualenv.bat
+++ b/scripts/mkvirtualenv.bat
@@ -166,13 +166,13 @@ if exist "%WORKON_HOME%\%venvwrapper.quoteless_envname%" (
 if %venvwrapper.debug% equ 1 (
     echo ^<DEBUG calling-virtualenv^>
     set venvwrapper.
-    echo. %venvwrapper.virtualenv_executable% %venvwrapper.virtualenv_args% %venvwrapper.envname%  --prompt="(%venvwrapper.quoteless_envname%) "
+    echo. %venvwrapper.virtualenv_executable% %venvwrapper.virtualenv_args% %venvwrapper.envname% --prompt="%venvwrapper.quoteless_envname%"
     echo ^</DEBUG^>
     if "%venvwrapper.stop%"=="before-virtualenv" goto:cleanup
 )
 :: call virtualenv
 pushd "%WORKON_HOME%"
-    "%venvwrapper.virtualenv_executable%" %venvwrapper.virtualenv_args% %venvwrapper.envname% --prompt="(%venvwrapper.quoteless_envname%) "
+    "%venvwrapper.virtualenv_executable%" %venvwrapper.virtualenv_args% %venvwrapper.envname% --prompt="%venvwrapper.quoteless_envname%"
 popd
 if errorlevel 2 goto:cleanup