upgrade to ocaml 5.3

.github/workflows/build-test.yml

@@ -10,12 +10,12 @@ jobs:
       fail-fast: false
       matrix:
         os:
-          - macos-latest
+          - macos-15
           - ubuntu-latest
           # - windows-latest
         ocaml-version:
           - 4.14
-          - 5.2
+          - 5.3
 
     runs-on: ${{ matrix.os }}
 

.github/workflows/deploy-doc.yml

@@ -33,7 +33,7 @@ jobs:
       - name: Set-up OCaml
         uses: ocaml/setup-ocaml@v3
         with:
-          ocaml-compiler: "5.2"
+          ocaml-compiler: "5.3"
           dune-cache: true
           allow-prerelease-opam: true
 

.github/workflows/lint.yml

@@ -12,10 +12,10 @@ jobs:
       - name: Checkout code
         uses: actions/checkout@v4
 
-      - name: Use OCaml 5.2
+      - name: Use OCaml 5.3
         uses: ocaml/setup-ocaml@v3
         with:
-          ocaml-compiler: 5.2
+          ocaml-compiler: 5.3
           dune-cache: true
           allow-prerelease-opam: true
 
@@ -30,10 +30,10 @@ jobs:
       - name: Checkout code
         uses: actions/checkout@v4
 
-      - name: Use OCaml 5.2
+      - name: Use OCaml 5.3
         uses: ocaml/setup-ocaml@v3
         with:
-          ocaml-compiler: 5.2
+          ocaml-compiler: 5.3
           dune-cache: true
           allow-prerelease-opam: true
 
@@ -63,10 +63,10 @@ jobs:
       - name: Checkout code
         uses: actions/checkout@v4
 
-      - name: Use OCaml 5.2
+      - name: Use OCaml 5.3
         uses: ocaml/setup-ocaml@v3
         with:
-          ocaml-compiler: 5.2
+          ocaml-compiler: 5.3
           dune-cache: true
           allow-prerelease-opam: true
 
@@ -79,10 +79,10 @@ jobs:
       - name: Checkout code
         uses: actions/checkout@v4
 
-      - name: Use OCaml 5.2
+      - name: Use OCaml 5.3
         uses: ocaml/setup-ocaml@v3
         with:
-          ocaml-compiler: 5.2
+          ocaml-compiler: 5.3
           dune-cache: true
           allow-prerelease-opam: true
 

.github/workflows/opam-dependency-submission.yml

@@ -11,10 +11,10 @@ jobs:
       - name: Checkout tree
         uses: actions/checkout@v4
 
-      - name: Set-up OCaml 5.2
+      - name: Set-up OCaml 5.3
         uses: ocaml/setup-ocaml@v3
         with:
-          ocaml-compiler: 5.2
+          ocaml-compiler: 5.3
           dune-cache: true
           allow-prerelease-opam: true
 

README.md

@@ -7,7 +7,7 @@ The setup should be installable as easily as possible.
 ## Getting started
 
 ```sh
-opam switch create . 5.2.0 --no-install
+opam switch create . 5.3.0 --no-install
 opam install . --deps-only --with-dev-setup
 ```