diff --git a/src/pyhf/workspace.py b/src/pyhf/workspace.py
index d211e6484f..00abcf77f4 100644
--- a/src/pyhf/workspace.py
+++ b/src/pyhf/workspace.py
@@ -5,6 +5,8 @@
 * the observed data (optional)
 * fit configurations ("measurements")
 """
+from __future__ import annotations
+
 import collections
 import copy
 import logging