diff --git a/tools/update-upstreams.sh b/tools/update-upstreams.sh
index 3a5e94aae..93fbc200f 100755
--- a/tools/update-upstreams.sh
+++ b/tools/update-upstreams.sh
@@ -1,6 +1,6 @@
 #!/bin/sh -u
 # tools/update-upstreams.sh -- files to their latest version
-# Copyright (C) 2017, 2019  Olaf Meeuwissen
+# Copyright (C) 2017, 2019, 2021  Olaf Meeuwissen
 #
 # License: GPL-3.0+
 
@@ -19,3 +19,8 @@ CONFIG_BASE_URL=https://git.savannah.gnu.org/cgit/config.git/plain
 for file in config.guess config.sub; do
     fetch $CONFIG_BASE_URL/$file
 done
+
+GNULIB_BASE_URL=https://git.savannah.gnu.org/cgit/gnulib.git/plain
+fetch $GNULIB_BASE_URL/build-aux/git-version-gen
+mv git-version-gen tools/
+chmod 0755 tools/git-version-gen