diff --git a/pyproject.toml b/pyproject.toml
index 7a1b706..27be233 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -43,7 +43,7 @@ lint = [
     'mypy',
     # Support for pyproject.toml added in 6.1.0
     # https://github.com/PyCQA/pydocstyle/pull/534
-    'pydocstyle >= 6.1.0',
+    'pydocstyle >= 6.3.0',
     # Required for `setup.py check --restructuredtext --strict`.  Otherwise:
     # warning: check: Cannot analyze code. Pygments package not found.
     'pygments',