diff --git a/.github/workflows/deploy-daac.yml b/.github/workflows/deploy-daac.yml
index 49c46e5b7..0fb58eb6f 100644
--- a/.github/workflows/deploy-daac.yml
+++ b/.github/workflows/deploy-daac.yml
@@ -29,7 +29,7 @@ jobs:
             expanded_max_vcpus: 3000
             required_surplus: 3000
             security_environment: EDC
-            ami_id: image_id_ecs_amz2
+            ami_id: image_id_s1_ecs_amz2
             distribution_url: 'https://d3gm2hf49xd6jj.cloudfront.net'
 
           - environment: hyp3-edc-uat
diff --git a/CHANGELOG.md b/CHANGELOG.md
index d1db2a1e6..e5c662655 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -4,6 +4,10 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
+## [3.10.4]
+### Changed
+- The `hyp3-edc-uat` deployment now uses the latest Earthdata Cloud AMI with additional software installed.
+
 ## [3.10.3]
 ### Changed
 - Increased product lifetime for hyp3-tibet-jpl deployment from 14 days to 60 days.