diff --git a/operators/ack-cloudwatch-controller/ci.yaml b/operators/ack-cloudwatch-controller/ci.yaml
new file mode 100644
index 00000000000..b43086c6b77
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+++ b/operators/ack-cloudwatch-controller/ci.yaml
@@ -0,0 +1,5 @@
+# Use `replaces-mode` or `semver-mode`. Once you switch to `semver-mode`, there is no easy way back.
+updateGraph: semver-mode
+
+reviewers:
+  - ack-bot