diff --git a/projects/github-actions/repo-gardening/changelog/update-repo-gardening-label-external-meida b/projects/github-actions/repo-gardening/changelog/update-repo-gardening-label-external-meida
new file mode 100644
index 0000000000000..a1d83b7301937
--- /dev/null
+++ b/projects/github-actions/repo-gardening/changelog/update-repo-gardening-label-external-meida
@@ -0,0 +1,4 @@
+Significance: patch
+Type: changed
+
+Labeling: automatically label changes to the External Media extension.
diff --git a/projects/github-actions/repo-gardening/src/tasks/add-labels/index.js b/projects/github-actions/repo-gardening/src/tasks/add-labels/index.js
index 94bf5aa0f7fab..30a95cbbb4357 100644
--- a/projects/github-actions/repo-gardening/src/tasks/add-labels/index.js
+++ b/projects/github-actions/repo-gardening/src/tasks/add-labels/index.js
@@ -218,6 +218,14 @@ async function getLabelsToAdd( octokit, owner, repo, number, isDraft, isRevert )
 			}
 		}
 
+		// External Media extension.
+		const externalMedia = file.match(
+			/^projects\/plugins\/jetpack\/extensions\/shared\/external-media\//
+		);
+		if ( externalMedia !== null ) {
+			keywords.add( '[Extension] External Media' );
+		}
+
 		// React Dashboard and Boost Admin.
 		const reactAdmin = file.match(
 			/^(projects\/plugins\/(crm|boost\/app)\/admin|projects\/plugins\/jetpack\/_inc\/client)\//