diff --git a/README-THIS-REPO-IS-DEPRECATED.txt b/README-THIS-REPO-IS-DEPRECATED.txt
new file mode 100644
index 0000000..1c2896d
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+++ b/README-THIS-REPO-IS-DEPRECATED.txt
@@ -0,0 +1,5 @@
+This repository is deprecated, please use
+
+  https://gerrit-review.googlesource.com/#/admin/projects/plugins/its-rtc
+
+instead.