diff --git a/poetry.lock b/poetry.lock
index 72b1f4b..ff8437d 100644
--- a/poetry.lock
+++ b/poetry.lock
@@ -637,11 +637,11 @@ python-versions = "*"
 
 [[package]]
 name = "pyupgrade"
-version = "2.31.0"
+version = "2.37.1"
 description = "A tool to automatically upgrade syntax for newer versions."
 category = "dev"
 optional = false
-python-versions = ">=3.6.1"
+python-versions = ">=3.7"
 
 [package.dependencies]
 tokenize-rt = ">=3.2.0"
@@ -1031,7 +1031,7 @@ testing = ["pytest (>=4.6)", "pytest-checkdocs (>=2.4)", "pytest-flake8", "pytes
 [metadata]
 lock-version = "1.1"
 python-versions = "^3.7.1"
-content-hash = "bdc191cdc39f146bdf3e859dd6ef04df148cceec51167f3f642376a3fe40f61b"
+content-hash = "0edd358c76b9742b50c81b4617344c13c4419a1fb17a162ddf0f233a1ed79105"
 
 [metadata.files]
 alabaster = [
@@ -1402,8 +1402,8 @@ pytz = [
     {file = "pytz-2021.3.tar.gz", hash = "sha256:acad2d8b20a1af07d4e4c9d2e9285c5ed9104354062f275f3fcd88dcef4f1326"},
 ]
 pyupgrade = [
-    {file = "pyupgrade-2.31.0-py2.py3-none-any.whl", hash = "sha256:0a62c5055f854d7f36e155b7ee8920561bf0399c53edd975cf02436eef8937fc"},
-    {file = "pyupgrade-2.31.0.tar.gz", hash = "sha256:80e2308cae2b11c3fdd091137495d99abf7e0cd98b501aa5758974991497c24c"},
+    {file = "pyupgrade-2.37.1-py2.py3-none-any.whl", hash = "sha256:dd2a32628d6d2a7dd6c086d98420e234b9e60c1e1d4c55431578491703e762a5"},
+    {file = "pyupgrade-2.37.1.tar.gz", hash = "sha256:3d9cbd88507a0f3d7397c46870617f0d073d61401c451c08a06763d6235d9e7d"},
 ]
 pyyaml = [
     {file = "PyYAML-5.4.1-cp27-cp27m-macosx_10_9_x86_64.whl", hash = "sha256:3b2b1824fe7112845700f815ff6a489360226a5609b96ec2190a45e62a9fc922"},
diff --git a/pyproject.toml b/pyproject.toml
index f364e1a..4051ae9 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -54,7 +54,7 @@ flake8-rst-docstrings = "^0.2.5"
 pep8-naming = "^0.12.0"
 darglint = "^1.8.1"
 isort = {extras = ["colors"], version = "^5.10.1"}
-pyupgrade = "^2.31.0"
+pyupgrade = "^2.37.1"
 pre-commit-hooks = "^4.1.0"
 sphinx-rtd-theme = "^1.0.0"
 sphinx-click = "^3.1.0"