diff --git a/tests/tests.yml b/tests/tests.yml
index 9001750..02a6e79 100644
--- a/tests/tests.yml
+++ b/tests/tests.yml
@@ -9,6 +9,7 @@
       dest: "python"
     - repo: "https://gitlab.com/redhat/centos-stream/rpms/pyproject-rpm-macros.git"
       dest: "pyproject-rpm-macros"
+      version: "c9s"
     tests:
     - smoke39:
         dir: python/smoke