diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index e12f41a..93028eb 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -37,7 +37,7 @@ jobs:
       - name: Install dependencies
         run: |
           python -m pip install --upgrade pip
-          pip install pytest ruff
+          pip install pytest ruff "tomli>=2.0.0; python_version < '3.11'"
 
       - name: Check bash script syntax
         if: runner.os != 'Windows'
diff --git a/pyproject.toml b/pyproject.toml
index 3e42118..b6b161b 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -77,6 +77,7 @@ Notice = "https://github.com/ellmos-ai/agent-ops-stack/blob/main/NOTICE"
 test = [
     "pytest>=7.0.0",
     "ruff>=0.1.0",
+    "tomli>=2.0.0; python_version < '3.11'",
 ]
 
 [tool.pytest.ini_options]
diff --git a/tests/test_metadata.py b/tests/test_metadata.py
index 414a34f..72c2eb1 100644
--- a/tests/test_metadata.py
+++ b/tests/test_metadata.py
@@ -2,9 +2,13 @@
 
 import json
 import re
-import tomllib
 from pathlib import Path
 
+try:
+    import tomllib
+except ModuleNotFoundError:
+    import tomli as tomllib
+
 REPO_ROOT = Path(__file__).resolve().parent.parent