diff --git a/CHANGELOG.md b/CHANGELOG.md
index e13407358296..5caf04cd7e13 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,7 +1,7 @@
 # CHANGELOG
 Inspired from [Keep a Changelog](https://keepachangelog.com/en/1.0.0/)
 
-## [Unreleased](https://github.com/opensearch-project/OpenSearch-Dashboards/compare/1.3.19...1.3)
+## [1.3.20 - 2024-12-06](https://github.com/opensearch-project/OpenSearch-Dashboards/releases/tag/1.3.20)
 
 ### 💥 Breaking Changes
 
@@ -9,6 +9,9 @@ Inspired from [Keep a Changelog](https://keepachangelog.com/en/1.0.0/)
 
 ### 🛡   Security
 
+- [CVE-2024-45590] Bump body-parser from 1.19.0 to 1.20.3 ([#9007](https://github.com/opensearch-project/OpenSearch-Dashboards/pull/9007))
+- [CVE-2024-45296] Bump various version of path-to-regexp to required versions ([#9007](https://github.com/opensearch-project/OpenSearch-Dashboards/pull/9007))
+
 ### 📈 Features/Enhancements
 
 ### 🐛 Bug Fixes
diff --git a/release-notes/opensearch-dashboards.release-notes-1.3.20.md b/release-notes/opensearch-dashboards.release-notes-1.3.20.md
new file mode 100644
index 000000000000..948625ed97b7
--- /dev/null
+++ b/release-notes/opensearch-dashboards.release-notes-1.3.20.md
@@ -0,0 +1,17 @@
+# Version 1.3.19 Release Notes
+
+### 🛡 Security
+
+- [CVE-2024-45590] Bump body-parser from 1.19.0 to 1.20.3 ([#9007](https://github.com/opensearch-project/OpenSearch-Dashboards/pull/9007))
+- [CVE-2024-45296] Bump various version of path-to-regexp to required versions ([#9007](https://github.com/opensearch-project/OpenSearch-Dashboards/pull/9007))
+
+### 📈 Features/Enhancements
+
+### 🐛 Bug Fixes
+
+### 🚞 Infrastructure
+
+### 📝 Documentation
+
+### 🛠  Maintenance
+