diff --git a/util/mirror-tarballs b/util/mirror-tarballs
index 712500a..188d8ca 100755
--- a/util/mirror-tarballs
+++ b/util/mirror-tarballs
@@ -595,7 +595,7 @@ cd ..
 
 #################################
 
-ver=0.17
+ver=0.18
 $root/util/get-tarball "https://github.com/openresty/lua-resty-dns/tarball/v$ver" -O "lua-resty-dns-$ver.tar.gz" || exit 1
 tar -xzf lua-resty-dns-$ver.tar.gz || exit 1
 mv openresty-lua-resty-dns-* lua-resty-dns-$ver || exit 1