diff --git a/tools/azure-sdk-tools/ci_tools/dependency_analysis.py b/tools/azure-sdk-tools/ci_tools/dependency_analysis.py
index 59a5d15a9b45..d4192ff858a5 100755
--- a/tools/azure-sdk-tools/ci_tools/dependency_analysis.py
+++ b/tools/azure-sdk-tools/ci_tools/dependency_analysis.py
@@ -59,9 +59,8 @@ def get_lib_deps(base_dir: str) -> Tuple[Dict[str, Dict[str, Any]], Dict[str, Di
     packages = {}
     dependencies = {}
     for lib_dir in discover_targeted_packages("azure*", base_dir):
-        setup_path = os.path.join(lib_dir, "setup.py")
         try:
-            parsed = ParsedSetup.from_path(setup_path)
+            parsed = ParsedSetup.from_path(lib_dir)
             lib_name, version, requires = parsed.name, parsed.version, parsed.requires
 
             packages[lib_name] = {"version": version, "source": lib_dir, "deps": []}
@@ -76,7 +75,7 @@ def get_lib_deps(base_dir: str) -> Tuple[Dict[str, Dict[str, Any]], Dict[str, Di
                 packages[lib_name]["deps"].append({"name": req_name, "version": str(spec)})
                 record_dep(dependencies, req_name, str(spec), lib_name)
         except:
-            print("Failed to parse %s" % (setup_path))
+            print(f"Failed to parse setup.py or pyproject.toml at {lib_dir}")
     return packages, dependencies
 
 
diff --git a/tools/azure-sdk-tools/tests/test_pyproject_interactions.py b/tools/azure-sdk-tools/tests/test_pyproject_interactions.py
index e5a10faded72..afcbf180f8a2 100644
--- a/tools/azure-sdk-tools/tests/test_pyproject_interactions.py
+++ b/tools/azure-sdk-tools/tests/test_pyproject_interactions.py
@@ -3,8 +3,10 @@
 
 import pytest
 
+from ci_tools.dependency_analysis import get_lib_deps
 from ci_tools.parsing import update_build_config, get_build_config, get_config_setting
 from ci_tools.environment_exclusions import is_check_enabled
+from ci_tools.variables import discover_repo_root
 
 integration_folder = os.path.join(os.path.dirname(__file__), "integration")
 pyproject_folder = os.path.join(integration_folder, "scenarios", "pyproject_build_config")
@@ -88,4 +90,13 @@ def test_pyproject_update_check_override():
         assert update_result == build_config
 
         reloaded_build_config = get_build_config(temp_dir)
-        assert reloaded_build_config == update_result
\ No newline at end of file
+        assert reloaded_build_config == update_result
+
+
+def test_pyproject_get_lib_deps():
+    all_packages, _ = get_lib_deps(discover_repo_root())
+    # Ensure that libraries with pyproject.toml files are fetched correctly; azure-keyvault-keys is an example
+    pyproject_info = all_packages["azure-keyvault-keys"]
+    assert pyproject_info["version"]
+    assert pyproject_info["source"]
+    assert len(pyproject_info["deps"]) > 0