diff --git a/.github/workflows/doc.yml b/.github/workflows/doc.yml
index 629ed5ce1..205931f4d 100644
--- a/.github/workflows/doc.yml
+++ b/.github/workflows/doc.yml
@@ -26,7 +26,7 @@ jobs:
       contents: write
     steps:
       - name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
 
       - name: Set up OCaml
         uses: ocaml/setup-ocaml@v3
@@ -77,7 +77,7 @@ jobs:
           opam install wodoc
 
       - name: Checkout gh-pages
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
         with:
           ref: gh-pages
           path: site