diff --git a/poetry.lock b/poetry.lock
index 51d0fac6..12c4ffcd 100644
--- a/poetry.lock
+++ b/poetry.lock
@@ -74,7 +74,7 @@ testing = ["pytest", "pytest-flake8", "pytest-cov", "pytest-black (>=0.3.7)", "p
 
 [[package]]
 name = "black"
-version = "21.10b0"
+version = "21.11b1"
 description = "The uncompromising code formatter."
 category = "dev"
 optional = false
@@ -85,9 +85,9 @@ click = ">=7.1.2"
 mypy-extensions = ">=0.4.3"
 pathspec = ">=0.9.0,<1"
 platformdirs = ">=2"
-regex = ">=2020.1.8"
+regex = ">=2021.4.4"
 tomli = ">=0.2.6,<2.0.0"
-typed-ast = {version = ">=1.4.2", markers = "python_version < \"3.8\""}
+typed-ast = {version = ">=1.4.2", markers = "python_version < \"3.8\" and implementation_name == \"cpython\""}
 typing-extensions = [
     {version = ">=3.10.0.0", markers = "python_version < \"3.10\""},
     {version = "!=3.10.0.1", markers = "python_version >= \"3.10\""},
@@ -899,7 +899,7 @@ testing = ["pytest (>=4.6)", "pytest-checkdocs (>=2.4)", "pytest-flake8", "pytes
 [metadata]
 lock-version = "1.1"
 python-versions = "^3.7"
-content-hash = "3e9458733898c4b21bdf15223896d6fbe489576e3adf9d3b017b322a4c96bb5c"
+content-hash = "d19613c3b829a2e52056c88c17b523d9b2149fc3582f2c9684edb5656791a08f"
 
 [metadata.files]
 alabaster = [
@@ -927,8 +927,8 @@ babel = [
     {file = "backports.entry_points_selectable-1.1.1.tar.gz", hash = "sha256:914b21a479fde881635f7af5adc7f6e38d6b274be32269070c53b698c60d5386"},
 ]
 black = [
-    {file = "black-21.10b0-py3-none-any.whl", hash = "sha256:6eb7448da9143ee65b856a5f3676b7dda98ad9abe0f87fce8c59291f15e82a5b"},
-    {file = "black-21.10b0.tar.gz", hash = "sha256:a9952229092e325fe5f3dae56d81f639b23f7131eb840781947e4b2886030f33"},
+    {file = "black-21.11b1-py3-none-any.whl", hash = "sha256:802c6c30b637b28645b7fde282ed2569c0cd777dbe493a41b6a03c1d903f99ac"},
+    {file = "black-21.11b1.tar.gz", hash = "sha256:a042adbb18b3262faad5aff4e834ff186bb893f95ba3a8013f09de1e5569def2"},
 ]
 certifi = [
     {file = "certifi-2021.10.8-py2.py3-none-any.whl", hash = "sha256:d62a0163eb4c2344ac042ab2bdf75399a71a2d8c7d47eac2e2ee91b9d6339569"},
diff --git a/pyproject.toml b/pyproject.toml
index 85912893..4ff730fe 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -23,7 +23,7 @@ pydantic = "^1.8.2"
 pytest = "^6.2.5"
 Sphinx = "^4.2.0"
 flake8 = "^3.9.2"
-black = "^21.9b0"
+black = "^21.11b1"
 isort = "^5.9.3"
 pre-commit = "^2.15.0"
 pytest-cov = "^3.0.0"