diff --git a/.github/workflows/deploy-dev.yaml b/.github/workflows/deploy-dev.yaml
index 64abb898..3184441b 100644
--- a/.github/workflows/deploy-dev.yaml
+++ b/.github/workflows/deploy-dev.yaml
@@ -1,6 +1,8 @@
 name: Deploy Dev
 
-on: pull_request
+on:
+  push:
+    branches: [main]
 
 env:
   TF_VERSION: 0.14.7
@@ -101,11 +103,11 @@ jobs:
           for d in */ ; do
             cd $d && zip -r ../../artifacts/${d::-1}.zip ./ && cd ..
           done
-      
+
       - name: Upload zips to S3
         env:
           s3_bucket: "${{ env.S3_BUCKET }}-${{ env.TARGET_ENV }}"
-          dir_name: ${{ github.event.pull_request.number }}
+          dir_name: ${{ github.run_number }}
         run: |
           aws s3 sync ./artifacts s3://$s3_bucket/$dir_name/
 
@@ -125,7 +127,7 @@ jobs:
       - name: Terragrunt Apply
         working-directory: ${{ env.TG_SRC_PATH }}/${{ env.TFC_WORKSPACE }}
         env:
-          app_version: ${{ github.event.pull_request.number }}
+          app_version: ${{ github.run_number }}
           s3_bucket: ${{ env.S3_BUCKET }}
           db_name: ${{ env.DB_NAME }}
           gc_notify_api_path: ${{ env.GC_NOTIFY_API_PATH }}