diff --git a/.github/workflows/gh-pages.yml b/.github/workflows/gh-pages.yml
index 504f1643..ca2bcad4 100644
--- a/.github/workflows/gh-pages.yml
+++ b/.github/workflows/gh-pages.yml
@@ -15,7 +15,7 @@ jobs:
       - name: Use OCaml
         uses: ocaml/setup-ocaml@v2
         with:
-          ocaml-compiler: '4.14'
+          ocaml-compiler: '5.0'
           dune-cache: true
 
       - name: Deps