diff --git a/Makefile b/Makefile
index 76ddbfd..6cc36ef 100644
--- a/Makefile
+++ b/Makefile
@@ -2,6 +2,12 @@ REPO := repo.shimun.net/shimun/wireguard-user
 
 build:
 	docker build . -t ${REPO}
+
+.ONESHELL:	
+update:
+	cd boringtun
+	git checkout master
+	git pull	
 	
 push: build
 	docker push ${REPO}