diff --git a/docs/Makefile b/docs/Makefile
index 0b385a3..3f0c03f 100644
--- a/docs/Makefile
+++ b/docs/Makefile
@@ -1,5 +1,5 @@
 INPUTS = index.xml constitution.xml machine_usage.xml \
 	machine_usage_summary.xml website.xml constitution-change-20020920.xml \
-	constitution-change-20040205.xml
+	constitution-change-20040205.xml machine_usage-change-20070819.xml
 
 include ../default.mk