diff --git a/Makefile b/Makefile
index 2e1e427..52c1089 100644
--- a/Makefile
+++ b/Makefile
@@ -41,3 +41,4 @@ wget-tarballs:
 	wget -c https://bellard.org/tinyemu/tinyemu-2019-12-21.tar.gz
 	wget -c https://bellard.org/tinyemu/diskimage-linux-riscv-2018-09-23.tar.gz
 	wget -c https://bellard.org/tinyemu/buildroot-riscv-2018-10-20.tar.gz
+	wget -c https://vfsync.org/vfsync-2017-05-21.tar.gz