diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 2a643a871..912a13ae9 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -7,6 +7,6 @@ jobs:
     runs-on: ubuntu-latest
     
     steps:
-    - uses: actions/checkout@v2
+    - uses: actions/checkout@v1
       with:
         submodules: true