diff --git a/poetry/core/packages/package.py b/poetry/core/packages/package.py
index 211261c56..8ec10a50b 100644
--- a/poetry/core/packages/package.py
+++ b/poetry/core/packages/package.py
@@ -1,6 +1,6 @@
 # -*- coding: utf-8 -*-
 import copy
-import re
+import regex as re
 
 from contextlib import contextmanager
 from typing import TYPE_CHECKING