diff --git a/pyproject.toml b/pyproject.toml
index 2a9be168b4..4a83f2ceb3 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -109,6 +109,7 @@ select = [
     "N", # naming
     "U", # upgrade
     "W", # style warnings
+    "YTT", # sys.version
 ]
 ignore = [
     "ANN101", # Missing type annotation for `self` in method