diff --git a/CHANGELOG.md b/CHANGELOG.md
index f67fcc076..6192b117a 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,6 +1,42 @@
 # OUI
 
-## [Unreleased `1.x`](https://github.com/opensearch-project/oui/tree/1.x)
+## [`1.5.0`](https://github.com/opensearch-project/oui/tree/1.5.0)
+
+### 🛡 Security
+
+- [CVE-2023-45857] Remediate `axios` vulnerabilities ([#1152](https://github.com/opensearch-project/oui/pull/1152))
+
+### 📈 Features/Enhancements
+
+- Add CSS `display-none` utility ([#1120](https://github.com/opensearch-project/oui/pull/1120))
+- Add SplitButton control ([#1193](https://github.com/opensearch-project/oui/pull/1193))
+- Eliminate screenreader content when copying and pasting data grid table ([#1198](https://github.com/opensearch-project/oui/pull/1198))
+- [Next Theme] Set base font size to 18px ([#1221](https://github.com/opensearch-project/oui/pull/1221))
+- [Next Theme] Revert `font-weight` of OuiButton to normal from semi-bold ([#1222](https://github.com/opensearch-project/oui/pull/1222))
+
+### 🐛 Bug Fixes
+
+- Fix bug in OuiButtonContent for showing info tooltip in icon-only buttons when hovered([#1160](https://github.com/opensearch-project/oui/pull/1160))
+- Fix playground support check ([#1162](https://github.com/opensearch-project/oui/pull/1162))
+- Prevent collapsable button of a resizable from adding to the height when hidden ([#1241](https://github.com/opensearch-project/oui/pull/1241))
+- Prevent action buttons of OuiDataGridCell from moving the content ([#1224](https://github.com/opensearch-project/oui/pull/1224))
+- Fix vertical alignment and font weight of breadcrumbs that are buttons or links ([#1232](https://github.com/opensearch-project/oui/pull/1232))
+
+### 🚞 Infrastructure
+
+
+### 📝 Documentation
+
+- Removed the chart section that's using elastic charts ([#370](https://github.com/opensearch-project/oui/pull/370))
+
+### 🛠 Maintenance
+
+
+### 🪛 Refactoring
+
+
+
+## [`1.4.0`](https://github.com/opensearch-project/oui/tree/1.4.0)
 
 ### 🛡 Security
 
diff --git a/package.json b/package.json
index 18721aaa7..0b2d845e3 100644
--- a/package.json
+++ b/package.json
@@ -1,7 +1,7 @@
 {
   "name": "@opensearch-project/oui",
   "description": "OpenSearch UI Component Library",
-  "version": "1.5.0-rc.2",
+  "version": "1.5.0",
   "license": "Apache-2.0",
   "main": "lib",
   "module": "es",