diff --git a/Makefile b/Makefile
index 98e1ae6..f207d68 100644
--- a/Makefile
+++ b/Makefile
@@ -1,6 +1,6 @@
 DIRS = $(filter %/, $(wildcard */))
 
-COMMANDS = distro build dput clean
+COMMANDS = distro source-build build dput clean
 
 all:
 	@echo "Available commands:"
@@ -15,3 +15,11 @@
 for dir in ${DIRS}; do \
   (cd $$dir && $(MAKE) $@) ; \
 done
+
+deb: ${DIRS}
+	mkdir .deb || true
+	@\
+for dir in ${DIRS}; do \
+  (cd $$dir && $(MAKE) build && cp work/*.deb ../.deb/) ; \
+done
+