diff --git a/.github/workflows/trigger_conda_raw.yaml b/.github/workflows/trigger_conda_raw.yaml
index fb1ccceed..5048d8000 100644
--- a/.github/workflows/trigger_conda_raw.yaml
+++ b/.github/workflows/trigger_conda_raw.yaml
@@ -7,6 +7,7 @@ on:
     # 1 day after pdfium-binaries
     - cron: '0 4 * * 2'
   workflow_dispatch:
+  pull_request:
 
 jobs: