diff --git a/.github/workflows/workflow.yml b/.github/workflows/workflow.yml
index 78f4188..249c40a 100644
--- a/.github/workflows/workflow.yml
+++ b/.github/workflows/workflow.yml
@@ -22,12 +22,10 @@ jobs:
         uses: actions/checkout@v2
 
       - name: Use OCaml ${{ matrix.ocaml-version }}
-        uses: avsm/setup-ocaml@v1
+        uses: ocaml/setup-ocaml@v2
         with:
-          ocaml-version: ${{ matrix.ocaml-version }}
+          ocaml-compiler: ${{ matrix.ocaml-version }}
 
-      - run: opam pin . --no-action
-      - run: opam depext conf-zmq --yes --with-doc --with-test
       - run: opam install . --deps-only --with-doc --with-test
       - run: opam exec -- dune build
       - run: opam exec -- dune runtest