diff --git a/ChangeLog.d/make-generate-tests-python.txt b/ChangeLog.d/make-generate-tests-python.txt
new file mode 100644
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--- /dev/null
+++ b/ChangeLog.d/make-generate-tests-python.txt
@@ -0,0 +1,3 @@
+Changes
+   * When building the test suites with GNU make, invoke python3 or python, not
+     python2, which is no longer supported upstream.