diff --git a/.github/workflows/canary.yml b/.github/workflows/canary.yml
index 3591b8a9..9a935aaa 100644
--- a/.github/workflows/canary.yml
+++ b/.github/workflows/canary.yml
@@ -1,5 +1,6 @@
 name: Canary
 on:
+  pull_request:
   schedule:
     - cron: 0 3 * * *
 jobs: