diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index 40dd3c8..26fa313 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -14,6 +14,11 @@ jobs:
     steps:
       - uses: actions/checkout@v2
 
+      - name: Install system libraries
+        run: |
+          sudo apt update
+          sudo apt install -y libhdf5-dev hdf5-tools
+
       - name: Set up python
         uses: actions/setup-python@v4
         with:
diff --git a/nwb_linkml/pyproject.toml b/nwb_linkml/pyproject.toml
index 9c34015..47515c4 100644
--- a/nwb_linkml/pyproject.toml
+++ b/nwb_linkml/pyproject.toml
@@ -85,6 +85,6 @@ testpaths = [
 ]
 doctest_optionflags = "NORMALIZE_WHITESPACE"
 filterwarnings = [
-    "ignore:Deprecated NumPy 1.24:DeprecationWarning",
+    "ignore::DeprecationWarning",
     "ignore:parse_obj:pydantic.PydanticDeprecatedSince20"
 ]
\ No newline at end of file