diff --git a/.github/workflows/nightly.yaml b/.github/workflows/nightly.yaml
index 9f5aaee1..83011b90 100644
--- a/.github/workflows/nightly.yaml
+++ b/.github/workflows/nightly.yaml
@@ -16,10 +16,9 @@ jobs:
 
     steps:
       - name: Checkout code
-        uses: actions/checkout@v2
+        uses: actions/checkout@v1
         with:
           path: src/github.com/nats-io/nats-server
-          ref: master
 
       - name: Set up Go
         uses: actions/setup-go@v2