diff --git a/contrib/heptapod-ci.yml b/contrib/heptapod-ci.yml
--- a/contrib/heptapod-ci.yml
+++ b/contrib/heptapod-ci.yml
@@ -1,3 +1,6 @@
+stages:
+  - tests
+
 image: registry.heptapod.net/mercurial/ci-images/mercurial-core
 
 # The runner made a clone as root.
@@ -13,6 +16,7 @@
     TEST_HGMODULEPOLICY: "allow"
 
 .runtests_template: &runtests
+    stage: tests
     script:
         - echo "python used, $PYTHON"
         - echo "$RUNTEST_ARGS"
@@ -25,6 +29,7 @@
         PYTHON: python3
 
 rust-cargo-test-py3:
+    stage: tests
     script:
         - echo "python used, $PYTHON"
         - make rust-tests