diff --git a/sphinx/util/inspect.py b/sphinx/util/inspect.py
index c730fefdb6c..df469a5ae7a 100644
--- a/sphinx/util/inspect.py
+++ b/sphinx/util/inspect.py
@@ -355,7 +355,7 @@ def iscoroutinefunction(obj: Any) -> bool:
 
 def isproperty(obj: Any) -> bool:
     """Check if the object is property."""
-    if sys.version_info > (3, 8):
+    if sys.version_info >= (3, 8):
         from functools import cached_property  # cached_property is available since py3.8
         if isinstance(obj, cached_property):
             return True