diff --git a/releasenotes/source/v21.0.0.rst b/releasenotes/source/v21.0.0.rst
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@@ -0,0 +1,6 @@
+=====================
+v21.0.0 Release Notes
+=====================
+
+.. release-notes:: 21.0.0 Release Notes
+   :version: 21.0.0