diff --git a/guix-data-service/model/guix-revision.scm b/guix-data-service/model/guix-revision.scm
index 8578008..042e776 100644
--- a/guix-data-service/model/guix-revision.scm
+++ b/guix-data-service/model/guix-revision.scm
@@ -67,7 +67,8 @@
 SELECT guix_revisions.id,
        guix_revisions.commit,
        guix_revisions.store_path,
-       guix_revisions.git_repository_id
+       guix_revisions.git_repository_id,
+       git_branches.datetime
 FROM guix_revisions
 INNER JOIN git_branches
   ON git_branches.commit = guix_revisions.commit