diff --git a/make/projects-dir.mk b/make/projects-dir.mk
index 22b19720..cc272cd7 100644
--- a/make/projects-dir.mk
+++ b/make/projects-dir.mk
@@ -87,6 +87,8 @@ purge:
 update pull: purge cvs-update git-clone git-pull
 	touch pull.done
 
+rebuild: clean pull subdirs-all
+
 subdirs-%:
 	FORCE_REBUILD_SUBDIRS=true make $*