diff --git a/setup.py b/setup.py
index 3e77635..4558f8b 100644
--- a/setup.py
+++ b/setup.py
@@ -5,7 +5,7 @@
     version='0.6.2',
     install_requires=[
         "requests>=2.27.1,<2.33.0",
-        "six~=1.16.0",
+        "six>=1.16,<1.18",
         "cachetools>=5.0,<5.6",
         "pycryptodome>=3.13,<3.22",
         "pytz>=2021.3,<2025.0",