diff --git a/.github/workflows/deploy.yml b/.github/workflows/deploy.yml
index e37e8a3..addeff7 100644
--- a/.github/workflows/deploy.yml
+++ b/.github/workflows/deploy.yml
@@ -14,7 +14,7 @@ jobs:
       - name: Build
         uses: ocaml/setup-ocaml@v2
         with:
-          ocaml-compiler: 4.12.x
+          ocaml-compiler: 4.14.x
           opam-depext-flags: --with-doc
 
       - run: opam install . --deps-only --with-doc --with-test