diff --git a/.github/workflows/workflow.yml b/.github/workflows/workflow.yml
index c02b5662e..568b771c6 100644
--- a/.github/workflows/workflow.yml
+++ b/.github/workflows/workflow.yml
@@ -40,33 +40,33 @@ jobs:
             local-packages: |
               *.opam
           - os: macos-latest
-            ocaml-compiler: 4.14.x
+            ocaml-compiler: "4.14"
             libev: true
             ppx: true
             local-packages: |
               *.opam
           - os: windows-latest
-            ocaml-compiler: 4.14.x
+            ocaml-compiler: "4.14"
             libev: false
             ppx: true
             local-packages: |
               *.opam
           - os: ubuntu-latest
-            ocaml-compiler: 4.08.x
+            ocaml-compiler: "4.08"
             libev: true
             ppx: false
             local-packages: |
               *.opam
               !lwt_ppx.opam
           - os: macos-latest
-            ocaml-compiler: 4.08.x
+            ocaml-compiler: "4.08"
             libev: true
             ppx: false
             local-packages: |
               *.opam
               !lwt_ppx.opam
           - os: windows-latest
-            ocaml-compiler: 4.08.x
+            ocaml-compiler: "4.08"
             libev: false
             ppx: false
             local-packages: |
@@ -111,18 +111,18 @@ jobs:
       - run: opam exec -- make ppx_let-test-deps ppx_let-test
         if: ${{ matrix.ppx == true }}
 
-  # lint-opam:
-  #   runs-on: ubuntu-latest
+  lint-opam:
+    runs-on: ubuntu-latest
 
-  #   steps:
-  #     - name: Checkout tree
-  #       uses: actions/checkout@v4
+    steps:
+      - name: Checkout tree
+        uses: actions/checkout@v4
 
-  #     - name: Set-up OCaml
-  #       uses: ocaml/setup-ocaml@v2
-  #       with:
-  #         ocaml-compiler: "5.1"
-  #         allow-prerelease-opam: true
-  #         dune-cache: true
+      - name: Set-up OCaml
+        uses: ocaml/setup-ocaml@v2
+        with:
+          ocaml-compiler: "5.1"
+          allow-prerelease-opam: true
+          dune-cache: true
 
-  #     - uses: ocaml/setup-ocaml/lint-opam@v2
+      - uses: ocaml/setup-ocaml/lint-opam@v2