diff --git a/.pullapprove.yml b/.pullapprove.yml
index 041cecc..c361972 100644
--- a/.pullapprove.yml
+++ b/.pullapprove.yml
@@ -1,7 +1,10 @@
 approve_by_comment: true
 approve_regex: ^LGTM
 reject_regex: ^Rejected
-reset_on_push: false
+reset_on_push: true
+author_approval: ignored
+signed_off_by:
+  required: true
 reviewers:
   teams:
   - tdc-maintainers