diff --git a/.github/workflows/explorer.yml b/.github/workflows/explorer.yml
index 5c08f64937..78d0b1f114 100644
--- a/.github/workflows/explorer.yml
+++ b/.github/workflows/explorer.yml
@@ -1,4 +1,3 @@
-
 name: Explorer
 on:
   push:
@@ -6,20 +5,25 @@ on:
    paths:
       - 'explorer/**'
   pull_request_target:
-    branches:
-     - master
+    branches: [ master ]
     paths:
       - 'explorer/**'
 jobs:
   check-explorer:
     runs-on: ubuntu-latest
+
     defaults:
       run:
         working-directory: explorer
+
     steps:
       - uses: actions/checkout@v2
+        with:
+          ref: ${{ github.event.pull_request.head.sha }}
       - uses: actions/setup-node@v2
         with:
+          # "node" (v16) is not supported by node-sass yet
+          # https://github.com/sass/node-sass/pull/3090
           node-version: '14'
           cache: 'npm'
           cache-dependency-path: explorer/package-lock.json
@@ -31,24 +35,10 @@ jobs:
       - uses: actions/checkout@v2
       - uses: amondnet/vercel-action@v20
         with:
-          vercel-token: ${{ secrets.VERCEL_TOKEN }} # Required
-          github-token: ${{ secrets.PAT }} #Optional 
-          vercel-org-id: ${{ secrets.ORG_ID}}  #Required
-          vercel-project-id: ${{ secrets.PROJECT_ID}} #Required 
-          working-directory: ./explorer
-          scope: ${{ secrets.TEAM_ID }}
-  production:
-   needs: check-explorer
-   runs-on: ubuntu-latest
-   if: github.event_name == 'push'
-   steps:
-     - uses: actions/checkout@v2
-     - uses: amondnet/vercel-action@v20
-       with:
-          vercel-token: ${{ secrets.VERCEL_TOKEN }} # Required
-          github-token: ${{ secrets.PAT }} #Optional 
+          vercel-token: ${{ secrets.VERCEL_TOKEN }}
+          github-token: ${{ secrets.GITHUB_TOKEN }}
           vercel-args: '--prod' #for production
-          vercel-org-id: ${{ secrets.ORG_ID}}  #Required
-          vercel-project-id: ${{ secrets.PROJECT_ID}} #Required 
+          vercel-org-id: ${{ secrets.ORG_ID}} 
+          vercel-project-id: ${{ secrets.PROJECT_ID}} 
           working-directory: ./explorer
-          scope: ${{ secrets.TEAM_ID }}
+          scope: ${{ secrets.TEAM_ID}}