diff --git a/.github/workflows/CI.yml b/.github/workflows/CI.yml
index f8e03e0..f6237b2 100644
--- a/.github/workflows/CI.yml
+++ b/.github/workflows/CI.yml
@@ -25,7 +25,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
     - name: Check Out
-      uses: actions/checkout@v3
+      uses: actions/checkout@v2
       with:
         fetch-depth: 0
         submodules: true