diff --git a/merge_upstream.sh b/merge_upstream.sh
new file mode 100755
index 0000000..754b50c
--- /dev/null
+++ b/merge_upstream.sh
@@ -0,0 +1,15 @@
+#!/bin/bash
+
+set -e
+
+mydir="$(dirname "$(realpath "$0")")"
+
+pushd "$mydir" > /dev/null
+
+source ./merge_helpers.sh
+
+
+forall_repos git fetch upstream
+forall_repos git merge upstream/master
+
+popd > /dev/null