diff --git a/tags/archiving-and-digital-preservation-dp.yml b/tags/archiving-and-digital-preservation-dp.yml
index 99e72140b7..24185b3bca 100644
--- a/tags/archiving-and-digital-preservation-dp.yml
+++ b/tags/archiving-and-digital-preservation-dp.yml
@@ -1,6 +1,7 @@
 name: Archiving and Digital Preservation (DP)
 description: Digital [archiving](https://en.wikipedia.org/wiki/Archival_science) and [preservation](https://en.wikipedia.org/wiki/Digital_preservation) software.
 related_tags:
+  - Backup
   - Content Management Systems (CMS)
 external_links:
   - title: awesome-web-archiving
diff --git a/tags/backup.yml b/tags/backup.yml
index 3cd1739eba..f184674b88 100644
--- a/tags/backup.yml
+++ b/tags/backup.yml
@@ -1,5 +1,7 @@
 name: Backup
 description: '[Backup](https://en.wikipedia.org/wiki/Backup) software.'
+related_tags:
+  - Archiving and Digital Preservation (DP)
 redirect:
   - title: awesome-sysadmin/Backups
     url: https://github.com/awesome-foss/awesome-sysadmin#backups