diff --git a/Changelog.md b/Changelog.md
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--- a/Changelog.md
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@@ -1,4 +1,8 @@
 # Changelog
+
+## [2.43] - 2025-03-14
+- fix send email notification for failed prefix list checks.
+
 ## [2.42] - 2025-03-13
 - Send a separate notification email for failed prefix list checks.
 - Upgrade `orchestrator-core` to 3.1.1.