diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 41a515a3..56ca1f8f 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -32,7 +32,7 @@ jobs:
 
     steps:
       - name: Checkout tree
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
 
       - name: Set-up OCaml
         uses: ocaml/setup-ocaml@v3