diff --git a/neurodesign/msequence.py b/neurodesign/msequence.py
index 959cf91..af7f77a 100644
--- a/neurodesign/msequence.py
+++ b/neurodesign/msequence.py
@@ -3,6 +3,8 @@
 Loosely translated from http://fmriserver.ucsd.edu/ttliu
 """
 
+from __future__ import annotations
+
 import math
 
 import numpy as np
diff --git a/neurodesign/report.py b/neurodesign/report.py
index 66a593e..5ef3f36 100644
--- a/neurodesign/report.py
+++ b/neurodesign/report.py
@@ -1,3 +1,5 @@
+from __future__ import annotations
+
 import time
 from pathlib import Path