diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 79a925449..6dce9149c 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -39,7 +39,7 @@ jobs:
             ~/work/owi/owi/_opam/
           key: ${{ runner.os }}-build-${{ matrix.ocaml-compiler }}-${{ env.cache-name }}-${{ hashFiles('**/*.opam') }}
       - name: setup-ocaml
-        uses: ocaml/setup-ocaml@v2
+        uses: ocaml/setup-ocaml@v3
         with:
           ocaml-compiler: ${{ matrix.ocaml-compiler }}
           dune-cache: true
diff --git a/.github/workflows/deploy.yml b/.github/workflows/deploy.yml
index 13aa74454..8228d596f 100644
--- a/.github/workflows/deploy.yml
+++ b/.github/workflows/deploy.yml
@@ -27,7 +27,7 @@ jobs:
             ~/work/owi/owi/_opam/
           key: ${{ runner.os }}-deploy-${{ env.cache-name }}-${{ hashFiles('**/*.opam') }}
       - name: setup-ocaml
-        uses: ocaml/setup-ocaml@v2
+        uses: ocaml/setup-ocaml@v3
         with:
           ocaml-compiler: "5.2"
           dune-cache: false