diff --git a/.github/workflows/workflow.yml b/.github/workflows/workflow.yml
index e8126d9b..f3c05406 100644
--- a/.github/workflows/workflow.yml
+++ b/.github/workflows/workflow.yml
@@ -16,26 +16,17 @@ jobs:
       fail-fast: false
       matrix:
         os: [macos-latest, ubuntu-latest, windows-latest]
-        ocaml:
-          - ocaml-base-compiler.5.0.0~alpha0
-          - 4.14.0
-        include:
-          - {os: ubuntu-latest, ocaml: 4.13.1}
-          - {os: ubuntu-latest, ocaml: 4.12.1}
-          - {os: ubuntu-latest, ocaml: 4.11.2}
-        exclude:
-          - {os: windows-latest, ocaml: ocaml-base-compiler.5.0.0~alpha0}
+        ocaml: ["5"]
 
     runs-on: ${{ matrix.os }}
 
     steps:
       - name: Checkout code
-        uses: actions/checkout@v3
+        uses: actions/checkout@v6
 
       - name: Setup OCaml ${{ matrix.ocaml }}
-        uses: ocaml/setup-ocaml@v2
+        uses: ocaml/setup-ocaml@v3
         with:
-          cache-prefix: v1-${{ matrix.os }}-${{ matrix.ocaml }}
           dune-cache: true
           ocaml-compiler: ${{ matrix.ocaml }}