WIP

Makefile

@@ -107,6 +107,7 @@ install-plone-5.2: bin/mxdev config ## pip install Plone packages
 	cp constraints-5.2.txt constraints.txt
 	cp requirements-5.2.txt requirements.txt
 	pip install pip\<24
+	pip install pip\<24
 	bin/tox -e init
 	bin/mxdev -c mx.ini
 	bin/pip install -r requirements-mxdev.txt