diff --git a/pyproject.toml b/pyproject.toml
index 367d4e7..b05d937 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -78,6 +78,7 @@ ignore = [
 unfixable = ["ERA001"]
 force-exclude = true
 src = ["src"]
+target-version = "py38"
 
 [tool.ruff.per-file-ignores]
 "tests/*" = ["S101"]