diff --git a/relational/relation.py b/relational/relation.py
index 709230f..c6a82ff 100644
--- a/relational/relation.py
+++ b/relational/relation.py
@@ -22,7 +22,7 @@
 import csv
 from itertools import chain, repeat, product as iproduct
 from collections import deque
-from typing import *
+from typing import NamedTuple, FrozenSet, Iterable, List, Dict, Tuple
 from pathlib import Path
 
 from relational.rtypes import *