diff --git a/.github/workflows/test-plone-5.2.yml b/.github/workflows/test-plone-5.2.yml
index 027294b..a1f5d10 100644
--- a/.github/workflows/test-plone-5.2.yml
+++ b/.github/workflows/test-plone-5.2.yml
@@ -29,10 +29,12 @@ jobs:
 
       # python setup
       - name: Set up Python ${{ matrix.python-version }} with Plone 5.2.5
-        uses: plone/setup-plone@v1.0.0
-        with:
-          python-version: ${{ matrix.python-version }}
-          plone-version: "5.2.5"
+        run: |
+          make install-plone-5.2
+
+        ## Note: setup-plone action is retired, because we need to force
+        ## an older pip version, but the action seems to fetch the new version
+        ## regardless what I try.
 
       # python cache
       - uses: actions/cache@v1
diff --git a/Makefile b/Makefile
index 8df67d6..67dcae4 100644
--- a/Makefile
+++ b/Makefile
@@ -106,6 +106,7 @@ install-plone-5.2: bin/mxdev config ## pip install Plone packages
 	@echo "$(GREEN)==> Setup Build$(RESET)"
 	cp constraints-5.2.txt constraints.txt
 	cp requirements-5.2.txt requirements.txt
+	pip install pip\<24
 	bin/tox -e init
 	bin/mxdev -c mx.ini
 	bin/pip install -r requirements-mxdev.txt
diff --git a/requirements-5.2.txt b/requirements-5.2.txt
index 8c3fcef..625c554 100644
--- a/requirements-5.2.txt
+++ b/requirements-5.2.txt
@@ -1,4 +1,5 @@
 -c constraints.txt
+pip<24
 
 # Cannot install new testing framework with 5.2
 # -e ".[test]"