diff --git a/python/perspective/pyproject.toml b/python/perspective/pyproject.toml
index 595ac7079d..703953fe97 100644
--- a/python/perspective/pyproject.toml
+++ b/python/perspective/pyproject.toml
@@ -1,3 +1,2 @@
 [build-system]
-# Minimum requirements for the build system to execute.
 requires = ["setuptools", "wheel", "numpy>=1.13.1"]
diff --git a/python/perspective/setup.cfg b/python/perspective/setup.cfg
index 8881fe2791..8c1f02523c 100644
--- a/python/perspective/setup.cfg
+++ b/python/perspective/setup.cfg
@@ -19,4 +19,4 @@ per-file-ignores =
 [tool:pytest]
 asyncio_mode=strict
 testpaths =
-    perspective/tests
\ No newline at end of file
+    perspective/tests
diff --git a/python/perspective/setup.py b/python/perspective/setup.py
index f355758922..50f4451a56 100644
--- a/python/perspective/setup.py
+++ b/python/perspective/setup.py
@@ -70,10 +70,10 @@ def get_version(file, name="__version__"):
 
 requires_dev = (
     [
-        "black==20.8b1",
+        "black==22.8",
         "Faker>=1.0.0",
-        "flake8>=3.7.8",
-        "flake8-black>=0.2.0",
+        "flake8>=5",
+        "flake8-black>=0.3.3",
         "psutil",
         "pybind11>=2.4.0",
         "pyarrow>=0.16.0",
@@ -83,7 +83,7 @@ def get_version(file, name="__version__"):
         "pytest-cov>=2.6.1",
         "pytest-check-links",
         "pytest-tornado",
-        "pytz>=2018.9",
+        "pytz>=2022",
         "Sphinx>=1.8.4",
         "sphinx-markdown-builder>=0.5.2",
         "wheel",
@@ -204,7 +204,7 @@ def build_extension_cmake(self, ext):
                     "-DCMAKE_TOOLCHAIN_FILE={}".format(vcpkg_toolchain_file)
                 )
 
-            if sys.maxsize > 2 ** 32:
+            if sys.maxsize > 2**32:
                 # build 64 bit to match python
                 cmake_args += ["-A", "x64"]