diff --git a/mpl_point_clicker/_clicker.py b/mpl_point_clicker/_clicker.py
index 8cd91a9..b293f4a 100644
--- a/mpl_point_clicker/_clicker.py
+++ b/mpl_point_clicker/_clicker.py
@@ -2,6 +2,7 @@
 
 # Copyright (c) Ian Hunt-Isaak.
 # Distributed under the terms of the Modified BSD License.
+from __future__ import annotations
 
 __all__ = [
     "clicker",