diff --git a/CHANGELOG.md b/CHANGELOG.md
index 608f0cb00..6426ff287 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,6 +1,8 @@
 # Change Log
 All notable changes to this project will be documented in this file. This project adheres to [Semantic Versioning](http://semver.org)
 
+## 4.0.4-dev
+
 ## 4.0.3 - 2025-09-11
 
 ### Added
diff --git a/config/constants.yml b/config/constants.yml
index 92c19886d..b2cebc1c7 100644
--- a/config/constants.yml
+++ b/config/constants.yml
@@ -7,7 +7,7 @@
 ---
 
 # App
-TERMINUS_VERSION: '4.0.3'
+TERMINUS_VERSION: '4.0.4-dev'
 
 # Connectivity
 TERMINUS_HOST:        'terminus.pantheon.io'
diff --git a/src/Commands/Upstream/ListCommand.php b/src/Commands/Upstream/ListCommand.php
index cf5461046..1e8c4407c 100644
--- a/src/Commands/Upstream/ListCommand.php
+++ b/src/Commands/Upstream/ListCommand.php
@@ -31,7 +31,9 @@ class ListCommand extends TerminusCommand
      *     category: Category
      *     type: Type
      *     framework: Framework
+     *     repository_url: Repository URL
      *     organization: Organization
+     * @default-fields id,label,machine_name,category,type,framework,organization
      * @option all Show all upstreams
      * @option framework DEPRECATED Framework filter
      * @option name DEPRECATED Name filter
diff --git a/tests/Functional/UpstreamCommandsTest.php b/tests/Functional/UpstreamCommandsTest.php
index 67af25d34..087ede211 100644
--- a/tests/Functional/UpstreamCommandsTest.php
+++ b/tests/Functional/UpstreamCommandsTest.php
@@ -27,6 +27,34 @@ public function testUpstreamListCommand()
         $this->assertArrayHasKey('label', $upstreamInfo, 'An upstream should have "label" field.');
         $this->assertArrayHasKey('machine_name', $upstreamInfo, 'An upstream should have "machine_name" field.');
         $this->assertArrayHasKey('type', $upstreamInfo, 'An upstream should have "type" field.');
+        $this->assertArrayNotHasKey(
+            'repository_url',
+            $upstreamInfo,
+            'An upstream should not have "repository_url" field by default.'
+        );
+    }
+
+    /**
+     * Test UpstreamListCommand with repository_url field
+     *
+     * @test
+     * @covers \Pantheon\Terminus\Commands\Upstream\ListCommand
+     *
+     * @group upstream
+     * @group short
+     */
+    public function testUpstreamListCommandWithRepositoryUrl()
+    {
+        $upstreamList = $this->terminusJsonResponse('upstream:list --fields=id,label,repository_url');
+        $this->assertIsArray($upstreamList);
+        $upstreamInfo = array_shift($upstreamList);
+        $this->assertArrayHasKey('id', $upstreamInfo, 'An upstream should have "id" field.');
+        $this->assertArrayHasKey('label', $upstreamInfo, 'An upstream should have "label" field.');
+        $this->assertArrayHasKey(
+            'repository_url',
+            $upstreamInfo,
+            'An upstream should have "repository_url" field when explicitly requested.'
+        );
     }
 
     /**