diff --git a/CHANGELOG.md b/CHANGELOG.md
index d3519df..c681af8 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -3,6 +3,10 @@ All notable changes to this project will be documented in this file.
 
 The format is based on [Keep a Changelog](http://keepachangelog.com/en/1.0.0/) and this project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.html). 
 
+## [5.2.1] - 2024-08-23
+### Added
+- Upgrade yum repos from EMR-5.36.2 (latest EMR 5 version)
+
 ## [5.2.0] - 2024-08-22
 ### Added
 - Upgrade HMS to 2.3.9 (was 2.3.7)
diff --git a/files/emr-apps.repo b/files/emr-apps.repo
index 7019dbd..ac14b45 100644
--- a/files/emr-apps.repo
+++ b/files/emr-apps.repo
@@ -2,6 +2,6 @@
 name = EMR Applications Repository
 gpgkey = file:///etc/pki/rpm-gpg/RPM-GPG-KEY-emr
 enabled = 1
-baseurl = https://s3.amazonaws.com/repo.us-east-1.emr.amazonaws.com/apps-repository/emr-5.36.1/537bc564-6e04-4aae-b93e-5f9efb9d8879
+baseurl = https://s3.amazonaws.com/repo.us-east-1.emr.amazonaws.com/apps-repository/emr-5.36.2/800a23aa-8170-401d-b799-73caed213b0d
 priority = 5
 gpgcheck = 1
diff --git a/files/emr-platform.repo b/files/emr-platform.repo
index 6653e64..449cc7c 100644
--- a/files/emr-platform.repo
+++ b/files/emr-platform.repo
@@ -2,6 +2,6 @@
 name = EMR Platform Repository
 gpgkey = file:///etc/pki/rpm-gpg/RPM-GPG-KEY-emr
 enabled = 1
-baseurl = https://s3.amazonaws.com/repo.us-east-1.emr.amazonaws.com/platform-repository/1.30.1/97926b1a-1e1b-4821-a019-71c03fc527ff
+baseurl = https://s3.amazonaws.com/repo.us-east-1.emr.amazonaws.com/platform-repository/1.30.2/e35a2136-da13-4653-a19c-858dd5b29e72
 priority = 5
 gpgcheck = 1