diff --git a/tools/purge-github-cache.sh b/tools/purge-github-cache.sh
new file mode 100755
index 000000000..01fdb2fed
--- /dev/null
+++ b/tools/purge-github-cache.sh
@@ -0,0 +1,6 @@
+#!/bin/bash -ex
+
+# This script assumes that the Github CLI is installed and that
+# the authenticated user has appropriate authorization.
+
+gh cache delete --all
\ No newline at end of file