diff --git a/.isort.cfg b/.isort.cfg
index 0f2fca3..db580a5 100644
--- a/.isort.cfg
+++ b/.isort.cfg
@@ -4,6 +4,7 @@ not_skip = __init__.py
 known_third_party =
     antlr4,
     dateutil,
+    haversine,
     medallion,
     pyjarowinkler,
     pytest,