diff --git a/.github/workflows/pytest.yml b/.github/workflows/pytest.yml
index 8bf102f7..69f3f6b0 100644
--- a/.github/workflows/pytest.yml
+++ b/.github/workflows/pytest.yml
@@ -38,6 +38,8 @@ jobs:
 
       - name: Install
         run: |
+          sudo apt update
+          sudo apt install libhdf5-dev
           uv pip install wheel --system
           uv pip install . --system
           uv pip install pytest pytest-cov pytest-benchmark hypothesis --system