diff --git a/.github/workflows/nightly_ci_build.yml b/.github/workflows/nightly_ci_build.yml
index 9ab179b..77207f4 100644
--- a/.github/workflows/nightly_ci_build.yml
+++ b/.github/workflows/nightly_ci_build.yml
@@ -7,6 +7,8 @@ on:
     # https://docs.github.com/en/actions/using-workflows/events-that-trigger-workflows#schedule
     # 5:23 am UTC (11:23pm MDT the day before) every weekday night in MDT
     - cron: '23 5 * * 2-6'
+  pull_request:
+    types: [review_requested]
 
 env:
   # This env var should enforce develop branch of all dependencies