diff --git a/.github/dependabot.yml b/.github/dependabot.yml
new file mode 100644
index 00000000..ca79ca5b
--- /dev/null
+++ b/.github/dependabot.yml
@@ -0,0 +1,6 @@
+version: 2
+updates:
+  - package-ecosystem: github-actions
+    directory: /
+    schedule:
+      interval: weekly
diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 294ccccc..a1475298 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -14,62 +14,61 @@ jobs:
       matrix:
         os:
           - ubuntu-latest
-        packages: [ '.' ]
+        packages:
+          - "."
         runtest:
           - true
         ocaml-compiler:
-          - 4.14.x
-          - 5.0.x
+          - "5.0"
+          - "4.14"
         include:
           - os: macos-latest
-            ocaml-compiler: 4.14.x
-            packages: '.'
+            ocaml-compiler: "4.14"
+            packages: "."
             runtest: true
 
           - os: windows-latest
-            ocaml-compiler: 4.14.x
-            packages: 'alcotest alcotest-js alcotest-lwt alcotest-mirage'
-            opam-local-packages: 'alcotest.opam alcotest-js.opam alcotest-lwt.opam alcotest-mirage.opam'
+            ocaml-compiler: "4.14"
+            packages: "alcotest alcotest-js alcotest-lwt alcotest-mirage"
+            opam-local-packages: "alcotest.opam alcotest-js.opam alcotest-lwt.opam alcotest-mirage.opam"
             runtest: false
 
           - os: ubuntu-latest
-            ocaml-compiler: 4.08.x
-            packages: 'alcotest alcotest-js alcotest-lwt alcotest-mirage'
-            opam-local-packages: 'alcotest.opam alcotest-js.opam alcotest-lwt.opam alcotest-mirage.opam'
+            ocaml-compiler: "4.08"
+            packages: "alcotest alcotest-js alcotest-lwt alcotest-mirage"
+            opam-local-packages: "alcotest.opam alcotest-js.opam alcotest-lwt.opam alcotest-mirage.opam"
             runtest: false
 
           - os: ubuntu-latest
-            ocaml-compiler: 4.09.x
-            packages: 'alcotest alcotest-js alcotest-lwt alcotest-mirage'
-            opam-local-packages: 'alcotest.opam alcotest-js.opam alcotest-lwt.opam alcotest-mirage.opam'
+            ocaml-compiler: "4.09"
+            packages: "alcotest alcotest-js alcotest-lwt alcotest-mirage"
+            opam-local-packages: "alcotest.opam alcotest-js.opam alcotest-lwt.opam alcotest-mirage.opam"
             runtest: false
 
           - os: ubuntu-latest
-            ocaml-compiler: 4.10.x
-            packages: 'alcotest alcotest-js alcotest-lwt alcotest-mirage'
-            opam-local-packages: 'alcotest.opam alcotest-js.opam alcotest-lwt.opam alcotest-mirage.opam'
+            ocaml-compiler: "4.10"
+            packages: "alcotest alcotest-js alcotest-lwt alcotest-mirage"
+            opam-local-packages: "alcotest.opam alcotest-js.opam alcotest-lwt.opam alcotest-mirage.opam"
             runtest: false
 
           - os: ubuntu-latest
-            ocaml-compiler: 4.11.x
-            packages: 'alcotest alcotest-js alcotest-lwt alcotest-mirage'
-            opam-local-packages: 'alcotest.opam alcotest-js.opam alcotest-lwt.opam alcotest-mirage.opam'
+            ocaml-compiler: "4.11"
+            packages: "alcotest alcotest-js alcotest-lwt alcotest-mirage"
+            opam-local-packages: "alcotest.opam alcotest-js.opam alcotest-lwt.opam alcotest-mirage.opam"
             runtest: false
- 
+
           - os: ubuntu-latest
-            ocaml-compiler: 4.12.x
-            packages: 'alcotest alcotest-js alcotest-lwt alcotest-mirage'
-            opam-local-packages: 'alcotest.opam alcotest-js.opam alcotest-lwt.opam alcotest-mirage.opam'
+            ocaml-compiler: "4.12"
+            packages: "alcotest alcotest-js alcotest-lwt alcotest-mirage"
+            opam-local-packages: "alcotest.opam alcotest-js.opam alcotest-lwt.opam alcotest-mirage.opam"
             runtest: false
- 
+
           - os: ubuntu-latest
-            ocaml-compiler: 4.13.x
-            packages: 'alcotest alcotest-js alcotest-lwt alcotest-mirage'
-            opam-local-packages: 'alcotest.opam alcotest-js.opam alcotest-lwt.opam alcotest-mirage.opam'
+            ocaml-compiler: "4.13"
+            packages: "alcotest alcotest-js alcotest-lwt alcotest-mirage"
+            opam-local-packages: "alcotest.opam alcotest-js.opam alcotest-lwt.opam alcotest-mirage.opam"
             runtest: false
 
-
-
     runs-on: ${{ matrix.os }}
 
     steps:
@@ -79,38 +78,18 @@ jobs:
           git config --global core.eol lf
 
       - name: Checkout code
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
 
-      - name: Use Node.js 18.x
-        uses: actions/setup-node@v3
+      - name: Set-up Node.js
+        uses: actions/setup-node@v4
         with:
-          node-version: 18.x
+          node-version: lts/*
 
-      - name: Use OCaml ${{ matrix.ocaml-compiler }}
-        uses: ocaml/setup-ocaml@v2
-        if: runner.os != 'Windows'
+      - name: Set-up OCaml ${{ matrix.ocaml-compiler }}
+        uses: ocaml/setup-ocaml@v3
         with:
           ocaml-compiler: ${{ matrix.ocaml-compiler }}
-          opam-local-packages: $${ matrix.opam-local-packages }}
-          opam-depext-flags: --with-test
-
-      - name: Use OCaml ${{ matrix.ocaml-compiler }}
-        uses: ocaml/setup-ocaml@v2
-        if: runner.os == 'Windows'
-        with:
-          ocaml-compiler: ${{ matrix.ocaml-compiler }}
-          opam-local-packages: $${ matrix.opam-local-packages }}
-          opam-depext-flags: --with-test
-          opam-repositories: |
-            opam-repository-mingw: https://github.com/ocaml-opam/opam-repository-mingw.git#sunset
-            default: https://github.com/ocaml/opam-repository.git
-
-      - run: |
-          opam pin add alcotest-async.dev ./ -n
-          opam pin add alcotest-js.dev ./ -n
-          opam pin add alcotest-lwt.dev ./ -n
-          opam pin add alcotest-mirage.dev ./ -n
-          opam pin add alcotest.dev ./ -n
+          opam-local-packages: ${{ matrix.opam-local-packages }}
 
       - run: opam install ${{ matrix.packages }} --with-test --deps-only
       - if: ${{ matrix.runtest }}
diff --git a/.github/workflows/changelog-check.yml b/.github/workflows/changelog-check.yml
index c731485f..7d2da0f6 100644
--- a/.github/workflows/changelog-check.yml
+++ b/.github/workflows/changelog-check.yml
@@ -10,7 +10,7 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-    - uses: actions/checkout@v1
+    - uses: actions/checkout@v4
 
     - name: git diff
       if: ${{ !contains(github.event.pull_request.labels.*.name, 'no-changelog-needed') }}