diff --git a/contrib/constraints.odg b/contrib/constraints.odg
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diff --git a/doc/source/constraints.png b/doc/source/constraints.png
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diff --git a/doc/source/dependency-management.rst b/doc/source/dependency-management.rst
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--- a/doc/source/dependency-management.rst
+++ b/doc/source/dependency-management.rst
@@ -69,6 +69,9 @@ are changed ``lower-constraints.txt`` will need to be updated at the
 same time. Per-project test jobs can be configured to use the file for
 unit or functional tests.
 
+.. image:: constraints.png
+   :alt: Overview of the contraints system
+
 Format
 ------