diff --git a/update_expected_results_from_jenkins.sh b/update_expected_results_from_jenkins.sh
new file mode 100755
index 0000000..7677cff
--- /dev/null
+++ b/update_expected_results_from_jenkins.sh
@@ -0,0 +1,53 @@
+#!/bin/sh
+
+# Download the latest junit xml results from the jenkins.osmocom.org workspaces.
+# Usage:
+# - have a clean git clone of osmo-ttcn3-hacks
+# - have internet access to jenkins.osmocom.org
+# - ./update_expected_results_from_jenkins.sh
+# - git diff, make sure that you understand and approve of each and every change
+# - git commit -a -m "update expected results"
+
+not_found=""
+
+if [ -n "$(git status | grep 'modified:')" ]; then
+  echo "Your git clone contains modifications! This is not recommended."
+  echo "Hit enter to continue anyway."
+  read enter_to_continue
+fi
+
+for target in */expected-results.xml; do
+  project="$(basename "$(dirname "$target")")"
+
+  # shims for naming exceptions
+  ws_path="ttcn3-${project}-test/ws/logs/${project}-tester"
+  if [ "x$project" = "xggsn_tests" ]; then
+    project="ggsn"
+  elif [ "x$project" = "xsysinfo" ]; then
+    ws_path="ttcn3-nitb-sysinfo/ws/logs/ttcn3-nitb-sysinfo"
+  fi
+
+  # find out the junit-NN.xml name
+  dir_url="https://jenkins.osmocom.org/jenkins/job/$ws_path/"
+  junit_file="$(wget -q -O - "$dir_url" | grep 'junit-xml-[0-9]*\.log' | tail -n 1 | sed 's/.*\(junit-xml-[0-9]*\.log\).*/\1/')"
+
+  # update
+  target_new="$target.new"
+  if ! wget -O "$target_new" "${dir_url}$junit_file"; then
+    not_found="$not_found $project"
+    rm -f "$target_new"
+  else
+    mv "$target_new" "$target"
+  fi
+done
+
+./mask_expected_results.sh
+
+echo "
+
+ MAKE SURE THE RESULTING CHANGES ARE SANE BEFORE COMMITTING!
+
+"
+if [ -n "$not_found" ]; then
+	echo "Could not update: $not_found"
+fi