diff --git a/util/mirror-tarballs b/util/mirror-tarballs
index f5a0b42..ba3f39e 100755
--- a/util/mirror-tarballs
+++ b/util/mirror-tarballs
@@ -117,7 +117,7 @@ mv chaoslawful-drizzle-nginx-module-* drizzle-nginx-module-$ver || exit 1
 
 #################################
 
-ver=0.5.0rc19
+ver=0.5.0rc20
 $root/util/get-tarball "http://github.com/chaoslawful/lua-nginx-module/tarball/v$ver" -O lua-nginx-module-$ver.tar.gz || exit 1
 tar -xzf lua-nginx-module-$ver.tar.gz || exit 1
 mv chaoslawful-lua-nginx-module-* ngx_lua-$ver || exit 1