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+## Version 1.3.15.0
+Compatible with OpenSearch 1.3.15
+
+### Maintenance
+* Increment version to 1.3.15. ([#1327](https://github.com/opensearch-project/alerting/pull/1327))
+* Adjusted dependency versions to address CVEs. ([#1447](https://github.com/opensearch-project/alerting/pull/1447))
+
+### Documentation
+* Added 1.3.15 release notes. ([#1448](https://github.com/opensearch-project/alerting/pull/1448))
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