diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 0d161f3..524371c 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -29,7 +29,7 @@ jobs:
 
     steps:
       - name: Check out the codebase.
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
         with:
           path: "simplificator.caddy"