diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index a5e67e8..921adf5 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -26,7 +26,7 @@ jobs:
 
     steps:
       - name: Checkout code
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
 
       - name: Install Crystal
         if: matrix.target != 'x86_64-pc-windows-gnu'