diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index dfdbfb7..356065f 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -17,7 +17,7 @@ jobs:
 
     steps:
       - name: Checkout tree
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
 
       - name: Set-up OCaml
         uses: ocaml/setup-ocaml@v3