diff --git a/.github/workflows/ocaml.yaml b/.github/workflows/ocaml.yaml
index d1b6923..efcd906 100644
--- a/.github/workflows/ocaml.yaml
+++ b/.github/workflows/ocaml.yaml
@@ -10,6 +10,7 @@ jobs:
       matrix:
         include:
           - ocaml-compiler: "ocaml-base-compiler.5.0.0"
+          - ocaml-compiler: "ocaml-base-compiler.5.1.0"
             with-doc: true
     runs-on: ubuntu-latest
     steps: