diff --git a/.github/workflows/ci-comment.yaml b/.github/workflows/ci-comment.yaml
index 9aaf698d..1c21edd5 100644
--- a/.github/workflows/ci-comment.yaml
+++ b/.github/workflows/ci-comment.yaml
@@ -24,7 +24,7 @@ jobs:
           submodules: true
 
       - name: 'Download artifact'
-        uses: actions/github-script@v3.1.0
+        uses: actions/github-script@v7
         with:
           script: |
             const artifacts = await github.actions.listWorkflowRunArtifacts({
@@ -59,7 +59,7 @@ jobs:
           done
 
       - name: Update the PR body
-        uses: actions/github-script@v2
+        uses: actions/github-script@v7
         env:
           SNAPSHOT_UPDATABLE: ${{ steps.test-update-snapshot.outputs.result }}
           PACKAGES_TO_UPDATE: ${{ steps.test-update-snapshot.outputs.packages }}
diff --git a/.github/workflows/ci.yaml b/.github/workflows/ci.yaml
index 6080c79d..e7af1a54 100644
--- a/.github/workflows/ci.yaml
+++ b/.github/workflows/ci.yaml
@@ -65,13 +65,12 @@ jobs:
           echo "::set-output name=opam-repo-default::$(echo "$DEFAULT_OPAM_REPO")"
 
       - name: Setup OCaml ${{ matrix.ocaml-version }}
-        uses: ocaml/setup-ocaml@v2
+        uses: ocaml/setup-ocaml@v3
         with:
           ocaml-compiler: ${{ matrix.ocaml-version }}
           dune-cache: true
           cache-prefix: "snapshot-${{ matrix.snapshot }}"
 
-          opam-depext: false
           opam-pin: false
 
           opam-repositories: |
@@ -179,7 +178,7 @@ jobs:
             exit 1
           fi
 
-      - uses: actions/upload-artifact@v2
+      - uses: actions/upload-artifact@v4
         if: success() || failure()
         with:
           name: "pr-snapshot-${{ matrix.snapshot }}-${{ matrix.ocaml-version }}-${{ matrix.os }}"
diff --git a/.github/workflows/update-develop.yaml b/.github/workflows/update-develop.yaml
index 9d9005cd..85691252 100644
--- a/.github/workflows/update-develop.yaml
+++ b/.github/workflows/update-develop.yaml
@@ -22,12 +22,11 @@ jobs:
           private_key: ${{ secrets.SG_REPO_GH_APP_PRIV_KEY }}
 
       - name: Setup OCaml
-        uses: ocaml/setup-ocaml@v2
+        uses: ocaml/setup-ocaml@v3
         with:
           ocaml-compiler: 4.12
           dune-cache: true
 
-          opam-depext: false
           opam-pin: false
 
       - name: Install OCaml dependencies