diff --git a/FastSurferCNN/utils/checkpoint.py b/FastSurferCNN/utils/checkpoint.py
index 8dd709de..22ca79d3 100644
--- a/FastSurferCNN/utils/checkpoint.py
+++ b/FastSurferCNN/utils/checkpoint.py
@@ -15,7 +15,7 @@
 # IMPORTS
 import os
 from pathlib import Path
-from typing import MutableSequence, Optional, Union, Any
+from typing import MutableSequence, Optional, Union, Literal
 
 import requests
 import torch