diff --git a/Makefile b/Makefile
new file mode 100644
index 0000000..46b713a
--- /dev/null
+++ b/Makefile
@@ -0,0 +1,4 @@
+.PHONY: backup-elpa
+backup-zplug-cache:
+	cd shell/zsh \
+		&& tar -cjf zplug-cache-$(shell date "+%Y-%m-%d").tar.bz2 zplug-cache