diff --git a/.github/workflows/workflow.yml b/.github/workflows/workflow.yml
index 574b6ef..0c00f65 100644
--- a/.github/workflows/workflow.yml
+++ b/.github/workflows/workflow.yml
@@ -12,13 +12,10 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        os:
-          - ubuntu-latest
-          - macos-latest
         ocaml-compiler:
-          - "5.1"
+          - "5.2"
 
-    runs-on: ${{ matrix.os }}
+    runs-on: ubuntu-latest
 
     steps:
       - name: Checkout
@@ -29,6 +26,11 @@ jobs:
         with:
           ocaml-compiler: ${{ matrix.ocaml-compiler }}
 
+      - name: Install ffmpeg with development headers
+        run: |
+          sudo apt update
+          sudo apt install -y ffmpeg libavcodec-dev libavformat-dev libavfilter-dev libavdevice-dev libswscale-dev libavutil-dev libswresample-dev
+
       - name: Install dependencies
         run: opam install . --deps-only --with-test
 
@@ -39,11 +41,9 @@ jobs:
         run: opam exec -- dune runtest
 
       - name: Build SoundML documentation
-        if: matrix.os == 'ubuntu-latest'
         run: opam install odoc && opam exec -- dune build @doc
 
       - name: Upload odoc documentation
-        if: matrix.os == 'ubuntu-latest'
         uses: actions/upload-artifact@v4
         with:
           name: doc
@@ -61,7 +61,7 @@ jobs:
       - name: Install OCaml
         uses: ocaml/setup-ocaml@v2
         with:
-          ocaml-compiler: "5.1"
+          ocaml-compiler: "5.2"
           dune-cache: true
 
       - uses: ocaml/setup-ocaml/lint-fmt@v2