diff --git a/setup.py b/setup.py
index e3a9810..24ac093 100644
--- a/setup.py
+++ b/setup.py
@@ -16,7 +16,7 @@
 ]
 
 extra_requires = {
-    ':python_version<"3.12"': ['importlib-resources'],
+    ':python_version<"3.9"': ['importlib-resources'],
 }