diff --git a/.github/workflows/gh-pages.yml b/.github/workflows/gh-pages.yml
index 7ff8be9..ceaeeba 100644
--- a/.github/workflows/gh-pages.yml
+++ b/.github/workflows/gh-pages.yml
@@ -19,7 +19,7 @@ jobs:
           allow-prerelease-opam: true
           dune-cache: true
 
-      - run: opam pin odoc 2.2.2 -y -n
+      - run: opam pin odoc 3.1.0 -y -n
         # crash with 2.4, see https://github.com/ocaml/odoc/issues/1066
       - name: Deps
         run: opam install odig trace trace-tef trace-fuchsia ppx_trace