diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 76dda8a5..3cd21afd 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -22,7 +22,7 @@ jobs:
         os: [windows-latest, ubuntu-latest, macOS-latest]
 
     steps:
-    - uses: actions/checkout@master
+    - uses: actions/checkout@main
         
     - name: Set up environment variables [Windows]
       if: matrix.os == 'windows-latest'