diff --git a/.github/workflows/coverage.yml b/.github/workflows/coverage.yml
index d5c76d1..761231e 100644
--- a/.github/workflows/coverage.yml
+++ b/.github/workflows/coverage.yml
@@ -1,36 +1,27 @@
 name: Coverage
-
 on:
   push:
     branches: ["main"]
-
   pull_request:
     branches: ["main"]
-
 jobs:
   build:
-
     runs-on: ubuntu-latest
-
     steps:
       - uses: actions/checkout@v3
-
       - name: Set up Python 3.11
         uses: actions/setup-python@v4
         with:
-          python-version: '3.11'
-
+          python-version: "3.11"
       - name: Install dependencies
         run: |
           sudo apt-get update && sudo apt-get install libsndfile1
           python -m pip install --upgrade pip
-          python -m pip install pytest hypothesis coverage pytest-coverage
+          python -m pip install pytest hypothesis coverage pytest-coverage html5lib
           python -m pip install .
-
       - name: Run Tests
         run: |
           pytest --cov=soundevent --cov-report=xml tests
-
       - name: Upload coverage reports to Codecov
         uses: codecov/codecov-action@v3
         env:
diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 3b58a81..eb67a19 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -1,12 +1,9 @@
 name: Test
-
 on:
   push:
     branches: ["main"]
-
   pull_request:
     branches: ["main"]
-
 jobs:
   test:
     runs-on: ubuntu-latest
@@ -14,32 +11,25 @@ jobs:
       fail-fast: false
       matrix:
         python-version: ["3.8", "3.9", "3.10", "3.11"]
-
     steps:
       - uses: actions/checkout@v3
-
       - name: Set up Python ${{ matrix.python-version }}
         uses: actions/setup-python@v3
         with:
           python-version: ${{ matrix.python-version }}
-
       - name: Install dependencies
         run: |
           sudo apt-get update && sudo apt-get install libsndfile1
           python -m pip install --upgrade pip
-          python -m pip install pytest hypothesis ruff mypy black
+          python -m pip install pytest hypothesis ruff mypy black html5lib
           python -m pip install .
-
       - name: Check format is correct
         run: |
           black --check src
           black --check tests
-
       - name: Make sure types are consistent
         run: mypy --ignore-missing-imports src
-
       - name: Lint with ruff
         run: ruff src
-
       - name: Test with pytest
         run: pytest tests