diff --git a/.circleci/rebuild-images.sh b/.circleci/rebuild-images.sh
new file mode 100644
index 000000000..7ee17b8ff
--- /dev/null
+++ b/.circleci/rebuild-images.sh
@@ -0,0 +1,20 @@
+#!/usr/bin/env bash
+
+set -euo pipefail
+
+# Get your API token here:
+# https://app.circleci.com/settings/user/tokens
+API_TOKEN=$1
+shift
+
+# Name the branch you want to trigger the build for
+BRANCH=$1
+shift
+
+curl \
+    --verbose \
+    --request POST \
+    --url https://circleci.com/api/v2/project/gh/tahoe-lafs/tahoe-lafs/pipeline \
+    --header 'Circle-Token: $API_TOKEN' \
+    --header 'content-type: application/json' \
+    --data '{"branch":"$BRANCH","parameters":{"build-images":true,"run-tests":false}}'