diff --git a/.python-version b/.python-version
index e4fba21835..a7f6449fc8 100644
--- a/.python-version
+++ b/.python-version
@@ -1 +1 @@
-3.12
+restapi-3.9
diff --git a/src/plone/restapi/tests/test_serializer_summary.py b/src/plone/restapi/tests/test_serializer_summary.py
index 05d0a864ba..7945792419 100644
--- a/src/plone/restapi/tests/test_serializer_summary.py
+++ b/src/plone/restapi/tests/test_serializer_summary.py
@@ -18,7 +18,6 @@
 
 import Missing
 import unittest
-import pkg_resources
 
 
 try: