diff --git a/README.md b/README.md
index 2b799a6..63e4ce9 100644
--- a/README.md
+++ b/README.md
@@ -71,7 +71,7 @@ jobs:
   build-deploy:
     runs-on: ubuntu-18.04
     steps:
-    - uses: actions/checkout@master
+    - uses: actions/checkout@v1
       # with:
       #   submodules: true