diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 18d0df1..c24c2d5 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -86,7 +86,7 @@ jobs:
       ACTIONS_ALLOW_USE_UNSECURE_NODE_VERSION: true
     steps:
       - name: Checkout the repository
-        uses: actions/checkout@v4
+        uses: actions/checkout@v3
 
       # fortran-lang/setup-fortran requires sudo on Ubuntu.
       - name: Create a dummy sudo