diff --git a/jobs/templates/debian/gbp-buildpackage.yaml b/jobs/templates/debian/gbp-buildpackage.yaml
index 18d6070..374e3a7 100644
--- a/jobs/templates/debian/gbp-buildpackage.yaml
+++ b/jobs/templates/debian/gbp-buildpackage.yaml
@@ -1,66 +1,66 @@
 - job-template: &gbp_buildpackage
     name: 'debian/packages/{name}/gbp-buildpackage'
     description: |
       Build Debian package
     auth-token: 'ph4br1cat0r'
     deb-extra-repositories:
-    deb-backport-on-success: unstable-swh>stretch-swh
+    deb-backport-on-success: unstable-swh>stretch-swh,unstable-swh>buster-swh
     project-type: pipeline
     parameters:
       - string:
           name: GIT_REVISION
           default: debian/unstable-swh
           description: Git revision to build
       - string:
           name: PHID
           description: PHID of the phabricator target object on which results will be reported
       - extended-choice:
           name: EXTRA_REPOSITORIES
           description: extra repositories needed to build this package
           type: checkbox
           value: !join:
             - ','
             -
               - incoming
               - backports
               - swh
               - ceph
               - pgdg
           value-description: !join:
             - ','
             -
               - The buildd incoming repository (default for builds from unstable)
               - The debian backports repository (default for builds for stable-swh)
               - The Software Heritage debian repository (default for builds for swh branches)
               - The ceph repository
               - PostgreSQL Global Dvt Group repository (for stable-swh builds requiring latest postgresql)
           default-value: '{deb-extra-repositories}'
       - choice:
           name: BUILD_DEP_RESOLVER
           description: |
             the sbuild build dependency resolver (overrides the automatic detection)
           choices:
             - ''
             - apt
             - aptitude
       - bool:
           name: DO_UPLOAD
           description: upload the built package
           default: false
       - extended-choice:
           name: BACKPORT_ON_SUCCESS
           description: If the build is successful, which backports should we perform?
           type: checkbox
           value: !join:
             - ','
             -
               - unstable-swh>stretch-swh
               - unstable-swh>buster-swh
               - buster-swh>stretch-swh
           default-value: '{deb-backport-on-success}'
     dsl:
       !include-raw: gbp-buildpackage.groovy
 
 - job-template:
     name: 'debian/deps/{name}/gbp-buildpackage'
     <<: *gbp_buildpackage