diff --git a/.github/workflows/extract-chicago-permits.yaml b/.github/workflows/extract-chicago-permits.yaml
index e399c05..4fed08c 100644
--- a/.github/workflows/extract-chicago-permits.yaml
+++ b/.github/workflows/extract-chicago-permits.yaml
@@ -3,7 +3,7 @@
 name: extract-chicago-permits
 
 on:
-  workflow_dispatch:
+  pull_request:
 
 env:
   WORKING_DIR: chicago