diff --git a/.github/PULL_REQUEST_TEMPLATE.md b/.github/PULL_REQUEST_TEMPLATE.md
index 320580e3..40efa399 100644
--- a/.github/PULL_REQUEST_TEMPLATE.md
+++ b/.github/PULL_REQUEST_TEMPLATE.md
@@ -10,6 +10,7 @@ https://github.com/efroemling/ballistica/wiki/Contributing
 
 ## Steps
 
+- [ ] Ensure `make preflight` completes successfully.
 - [ ] Add yourself to CONTRIBUTORS if you are a new contributor.
 - [ ] Add a CHANGELOG entry describing what your PR does.
 - [ ] Write a good description on what the PR does.