diff --git a/setup.cfg b/setup.cfg
index a00e92d7..aa243df2 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -50,7 +50,7 @@ dev =
     pycodestyle >=2.8,<3 # formatter
     pylint >=3.3,<4 # code linter
     setuptools >=42,<81
-    twine >=3.4,<6 # PyPI
+    twine >=3.4,<7 # PyPI
     types-requests >=2.26,<3 # mypy type hints
     types-setuptools >=71.1,<81 # mypy type hints
     wheel >=0.37,<0.46