diff --git a/docs/Makefile b/docs/Makefile
--- a/docs/Makefile
+++ b/docs/Makefile
@@ -1,3 +1,15 @@
 include ../../swh-docs/Makefile.sphinx
 
 APIDOC_EXCLUDES += ../swh/*/settings/*
+
+sphinx/html: images
+sphinx/clean: clean-images
+
+images:
+	make -C images/
+clean-images:
+	make -C images/ clean
+
+clean: clean-images
+
+.PHONY: images clean-images