diff --git a/pystellibs/helpers.py b/pystellibs/helpers.py
index 6d99ab2..c72a166 100644
--- a/pystellibs/helpers.py
+++ b/pystellibs/helpers.py
@@ -3,7 +3,11 @@
 """
 import sys
 from functools import partial, wraps, update_wrapper
-from inspect import getargspec, ismethod
+try
+    from inspect import getargspec
+except ImportError:  # Apparently since py3.11
+    from inspect import getfullargspec as getargspec       
+from inspect import ismethod
 import warnings
 import numpy as np
 import itertools