diff --git a/poetry.lock b/poetry.lock
index 33d1358a3..9212e39b5 100644
--- a/poetry.lock
+++ b/poetry.lock
@@ -1,4 +1,4 @@
-# This file is automatically @generated by Poetry 1.4.2 and should not be changed by hand.
+# This file is automatically @generated by Poetry and should not be changed by hand.
 
 [[package]]
 name = "appnope"
@@ -918,18 +918,22 @@ files = [
 
 [[package]]
 name = "pydocstyle"
-version = "5.1.1"
+version = "6.3.0"
 description = "Python docstring style checker"
 category = "dev"
 optional = false
-python-versions = ">=3.5"
+python-versions = ">=3.6"
 files = [
-    {file = "pydocstyle-5.1.1-py3-none-any.whl", hash = "sha256:aca749e190a01726a4fb472dd4ef23b5c9da7b9205c0a7857c06533de13fd678"},
-    {file = "pydocstyle-5.1.1.tar.gz", hash = "sha256:19b86fa8617ed916776a11cd8bc0197e5b9856d5433b777f51a3defe13075325"},
+    {file = "pydocstyle-6.3.0-py3-none-any.whl", hash = "sha256:118762d452a49d6b05e194ef344a55822987a462831ade91ec5c06fd2169d019"},
+    {file = "pydocstyle-6.3.0.tar.gz", hash = "sha256:7ce43f0c0ac87b07494eb9c0b462c0b73e6ff276807f204d6b53edc72b7e44e1"},
 ]
 
 [package.dependencies]
-snowballstemmer = "*"
+importlib-metadata = {version = ">=2.0.0,<5.0.0", markers = "python_version < \"3.8\""}
+snowballstemmer = ">=2.2.0"
+
+[package.extras]
+toml = ["tomli (>=1.2.3)"]
 
 [[package]]
 name = "pyflakes"
@@ -1507,4 +1511,4 @@ testing = ["flake8 (<5)", "func-timeout", "jaraco.functools", "jaraco.itertools"
 [metadata]
 lock-version = "2.0"
 python-versions = "^3.7"
-content-hash = "ddc808e77dc10ac4d6e9a373becc1090d35fe5234f0c02c8ec00415d36148e8e"
+content-hash = "df38b878986bf8f015cafd77d0d94840c818e9b4da758ac0235a0a570aa7b90c"
diff --git a/pyproject.toml b/pyproject.toml
index 0f98f5794..f9451b855 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -91,7 +91,7 @@ types-termcolor = "^0.1.1"
 # documentation
 mkdocs = "^1.0"
 mkdocs-material = "^8.5.11"
-pydocstyle = "^5.0.2"
+pydocstyle = "^6.3.0"
 pytest-xdist = "^3.1.0"
 
 [tool.poetry.scripts]