diff --git a/pyproject.toml b/pyproject.toml
index 6c86b5f7..42f6e701 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -47,7 +47,7 @@ dev = [
     "pdoc3 >=0.10,<0.12",
     "ruff >=0.12.3,<0.13",         # formatter & linter
     "setuptools >=62,<81",
-    "twine >=3.4,<6.2",            # PyPI
+    "twine >=3.4,<6.3",            # PyPI
     "types-requests >=2.26,<3",    # mypy type hints
     "types-setuptools >=71.1,<81", # mypy type hints
     "wheel >=0.37,<0.46",