diff --git a/src/legendoptics/utils.py b/src/legendoptics/utils.py
index c011aa7..e82514d 100644
--- a/src/legendoptics/utils.py
+++ b/src/legendoptics/utils.py
@@ -6,7 +6,7 @@
 import numpy as np
 import pint
 import scipy.interpolate
-from importlib_resources import files
+from importlib.resources import files
 from pint import Quantity
 
 log = logging.getLogger(__name__)