diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 8151b8d..8149fb9 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -20,7 +20,7 @@ jobs:
 
     steps:
       - name: Check out repository
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
 
       - name: Install Nix
         uses: cachix/install-nix-action@v31