diff --git a/Makefile b/Makefile
index 09d3f22..124ddc9 100644
--- a/Makefile
+++ b/Makefile
@@ -13,7 +13,7 @@ release: npm-build translations
 
 	test -d releases/$$VERSION && rm -fr releases/$$VERSION
 	mkdir -p releases/$$VERSION/side_menu
-	cp -r README.md CHANGELOG.md appinfo css lib img l10n js src templates screenshots releases/$$VERSION/side_menu
+	cp -r README.md CHANGELOG.md appinfo css lib img l10n js src templates screenshots vendor releases/$$VERSION/side_menu
 	cd releases/$$VERSION
 	zip -r side_menu_v$$VERSION.zip side_menu
 	tar cvzf side_menu_v$$VERSION.tar.gz side_menu