diff --git a/.github/workflows/workflow.yml b/.github/workflows/workflow.yml
index b1fa6bf..328e017 100644
--- a/.github/workflows/workflow.yml
+++ b/.github/workflows/workflow.yml
@@ -13,20 +13,21 @@ jobs:
           - macos-latest
           - ubuntu-latest
         ocaml-version:
-          - 4.11.1
+          - '4.14'
 
     runs-on: ${{ matrix.os }}
+
     steps:
       - name: Checkout code
-        uses: actions/checkout@v2
+        uses: actions/checkout@v4
 
       - name: Use OCaml ${{ matrix.ocaml-version }}
-        uses: avsm/setup-ocaml@v1
+        uses: avsm/setup-ocaml@v2
         with:
           ocaml-version: ${{ matrix.ocaml-version }}
 
-      - run: opam pin add . --no-action
       - run: opam install . --deps-only --with-test
 
       - run: opam exec -- dune build
+
       - run: opam exec -- dune runtest