diff --git a/.github/PULL_REQUEST_TEMPLATE.md b/.github/PULL_REQUEST_TEMPLATE.md
index 8014e9414..9bfb01667 100644
--- a/.github/PULL_REQUEST_TEMPLATE.md
+++ b/.github/PULL_REQUEST_TEMPLATE.md
@@ -2,6 +2,7 @@
 
 <!-- Please read docs/CONTRIBUTING.md before submitting your pull request -->
 
+* [ ] I have added added tests for PR _or_ I have justified why this PR doesn't need tests.
 * [ ] Pull request includes a [sign off](https://github.com/matrix-org/dendrite/blob/main/docs/CONTRIBUTING.md#sign-off)
 
 Signed-off-by: `Your Name <your@email.example.org>`