diff --git a/.ruff.toml b/.ruff.toml
index f4e6f67..0d99995 100644
--- a/.ruff.toml
+++ b/.ruff.toml
@@ -112,6 +112,9 @@ extend-select = [
 
   # flake8-datetimez
   "DTZ",
+
+  # Refurb
+  "FURB",
 ]
 
 extend-ignore = [
diff --git a/Makefile b/Makefile
index 41d8d80..0cf8577 100644
--- a/Makefile
+++ b/Makefile
@@ -2,7 +2,7 @@ TAG=`python setup.py --version`
 
 lint:
 	@printf "==> linting...\n"
-	@python3 -m ruff check "$(CURDIR)"
+	@python3 -m ruff check --preview --unsafe-fixes "$(CURDIR)"
 	@python3 -m mypy --ignore-missing-imports --strict pymstodo
 
 check: