diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index e4e25a57..52abb9d5 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -78,7 +78,7 @@ stages:
   script:
   - python3 tools/ci-restore-timestamps.py
   - make html inbox-html
-  - git fetch --depth=1 origin main
+  - git fetch --depth=50 origin main
   - bash tools/ci-changed-builds.sh origin/main
   rules:
   - if: '$CI_PIPELINE_SOURCE == "merge_request_event"'