diff --git a/.github/workflows/workflow.yml b/.github/workflows/workflow.yml
index 26768376..4ff700c2 100644
--- a/.github/workflows/workflow.yml
+++ b/.github/workflows/workflow.yml
@@ -42,14 +42,12 @@ jobs:
 
     steps:
       - name: Checkout code
-        uses: actions/checkout@v2
+        uses: actions/checkout@v4
 
       - name: Use OCaml ${{ matrix.ocaml-version }}
-        uses: avsm/setup-ocaml@v1
+        uses: ocaml/setup-ocaml@v3
         with:
-          ocaml-version: ${{ matrix.ocaml-version }}
-
-      - run: opam pin add mldonkey.dev . --no-action
+          ocaml-compiler: ${{ matrix.ocaml-version }}
 
       - run: opam depext mldonkey --yes --with-doc --with-test
 
@@ -58,3 +56,10 @@ jobs:
       - run: opam exec -- ./configure --enable-debug
 
       - run: opam exec -- make
+
+      - name: Upload the build artifact
+        uses: actions/upload-artifact@v4
+        with:
+          ocaml-compiler: 4.14.1
+          name: mlnet-${{ matrix.os }}.exe
+          path: mlnet