diff --git a/.github/workflows/deploy-theme.yml b/.github/workflows/deploy-theme.yml
index bc3e314..5910524 100644
--- a/.github/workflows/deploy-theme.yml
+++ b/.github/workflows/deploy-theme.yml
@@ -1,14 +1,16 @@
+---
 name: Deploy Theme
 on:
-  push:	
-    branches:	
+  push:
+    branches:
       - master
+      - main
 jobs:
   deploy:
     runs-on: ubuntu-18.04
     steps:
       - uses: actions/checkout@v2
-      - uses: TryGhost/action-deploy-theme@v1.2.1
+      - uses: TryGhost/action-deploy-theme@v1.4.0
         with:
           api-url: ${{ secrets.GHOST_ADMIN_API_URL }}
           api-key: ${{ secrets.GHOST_ADMIN_API_KEY }}