diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 7abba9e..f7f2c1a 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -15,7 +15,7 @@ jobs:
     runs-on: ${{ matrix.os }}
     steps:
       - name: Checkout tree
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
       - name: Set-up OCaml
         uses: ocaml/setup-ocaml@v3
         with: