diff --git a/Makefile b/Makefile
index 8a89bb3..2332554 100644
--- a/Makefile
+++ b/Makefile
@@ -11,8 +11,11 @@ dist: vendor/autoload.php
 	rm -r $(BUILD_DIR); true
 	mkdir -p $(BUILD_DIR) $(BUILD_DIR)/Specific $(BUILD_DIR)/Specific/db
 	touch $(BUILD_DIR)/Specific/db/.empty
-	cp -R $(BUILD_FILES) $(BUILD_DIR)
-	composer install -d $(BUILD_DIR)
+	rsync -av \
+		$(BUILD_FILES) \
+		--exclude="*.swp" \
+		$(BUILD_DIR)
+	composer install --no-dev -d $(BUILD_DIR)
 	rm $(BUILD_DIR)/composer.*
 	cd build; zip -r baikal-$(VERSION).zip baikal/