diff --git a/neotest_python/pytest.py b/neotest_python/pytest.py
index a2371f3..d63290a 100644
--- a/neotest_python/pytest.py
+++ b/neotest_python/pytest.py
@@ -68,10 +68,19 @@ def _get_short_output(
         buffer.seek(0)
         return buffer.read()
 
+    def _get_abs_path(self, file_path: Union[str, Path]):
+        try:
+            # rootpath is now the preferred way to access root
+            abs_path = str(self.pytest_config.rootpath / file_path)
+        except AttributeError:
+            # fallback to rootdir for older pytest versions
+            abs_path = str(Path(self.pytest_config.rootdir, file_path))
+        return abs_path
+
     def pytest_deselected(self, items: List["pytest.Item"]):
         for report in items:
             file_path, *name_path = report.nodeid.split("::")
-            abs_path = str(Path(self.pytest_config.rootdir, file_path))
+            abs_path = self._get_abs_path(file_path)
             *namespaces, test_name = name_path
             valid_test_name, *params = test_name.split("[")  # ]
             pos_id = "::".join([abs_path, *(namespaces), valid_test_name])
@@ -108,7 +117,7 @@ def pytest_runtest_makereport(
             return
 
         file_path, *name_path = item.nodeid.split("::")
-        abs_path = str(Path(self.pytest_config.rootdir, file_path))
+        abs_path = self._get_abs_path(file_path)
         *namespaces, test_name = name_path
         valid_test_name, *params = test_name.split("[")  # ]
         pos_id = "::".join([abs_path, *namespaces, valid_test_name])