diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index b4024b5..47d7312 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -25,6 +25,7 @@ jobs:
         os:
           - "almalinux-8"
           - "amazonlinux-2"
+          - "amazonlinux-2023"
           - "centos-7"
           - "centos-stream-8"
           - "rockylinux-8"
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 4db3665..e382f4c 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -7,6 +7,8 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## Unreleased
 
+- Amazon Linux 2023 should use el9 repos
+
 ## 5.4.2 - *2024-05-03*
 
 ## 5.4.1 - *2024-01-31*
diff --git a/resources/repo.rb b/resources/repo.rb
index 7703e4f..c4a286e 100644
--- a/resources/repo.rb
+++ b/resources/repo.rb
@@ -153,6 +153,8 @@ def os_ver
         '7'
       when 3
         '8'
+      when 2023
+        '9'
       else
         '7'
       end