diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
index 197b5818f..54ca34dc4 100644
--- a/.pre-commit-config.yaml
+++ b/.pre-commit-config.yaml
@@ -12,7 +12,7 @@ repos:
       - id: end-of-file-fixer
       - id: trailing-whitespace
   - repo: https://github.com/asottile/pyupgrade
-    rev: v2.31.0
+    rev: v2.31.1
     hooks:
       - id: pyupgrade
   - repo: https://github.com/PyCQA/isort
@@ -20,12 +20,12 @@ repos:
     hooks:
       - id: isort
   - repo: https://github.com/psf/black
-    rev: 21.12b0
+    rev: 22.1.0
     hooks:
       - id: black
         args: [ --safe ]
   - repo: https://github.com/asottile/blacken-docs
-    rev: v1.12.0
+    rev: v1.12.1
     hooks:
       - id: blacken-docs
         additional_dependencies: [ black==21.12b0 ]
diff --git a/src/tox/helper/get_version.py b/src/tox/helper/get_version.py
index 8f370e5a5..40acdc256 100644
--- a/src/tox/helper/get_version.py
+++ b/src/tox/helper/get_version.py
@@ -10,7 +10,7 @@
     "implementation": platform.python_implementation(),
     "version_info": list(sys.version_info),
     "version": sys.version,
-    "is_64": sys.maxsize > 2 ** 32,
+    "is_64": sys.maxsize > 2**32,
     "sysplatform": sys.platform,
     "os_sep": os.sep,
     "extra_version_info": getattr(sys, "pypy_version_info", None),
diff --git a/src/tox/interpreters/py_spec.py b/src/tox/interpreters/py_spec.py
index 06151b217..7b079e811 100644
--- a/src/tox/interpreters/py_spec.py
+++ b/src/tox/interpreters/py_spec.py
@@ -71,6 +71,6 @@ def from_name(cls, base_python):
     "pypy" if tox.constants.INFO.IS_PYPY else "python",
     sys.version_info[0],
     sys.version_info[1],
-    64 if sys.maxsize > 2 ** 32 else 32,
+    64 if sys.maxsize > 2**32 else 32,
     sys.executable,
 )
diff --git a/tests/unit/config/test_config.py b/tests/unit/config/test_config.py
index d6ff0aba4..77526c1ea 100644
--- a/tests/unit/config/test_config.py
+++ b/tests/unit/config/test_config.py
@@ -3575,7 +3575,7 @@ def test_config_via_pyproject_legacy(initproj):
     initproj(
         "config_via_pyproject_legacy-0.5",
         filedefs={
-            "pyproject.toml": u'''
+            "pyproject.toml": '''
                 [project]
                 description = "Factory ⸻ A code generator 🏭"
                 authors = [{name = "Łukasz Langa"}]
diff --git a/tests/unit/test_pytest_plugins.py b/tests/unit/test_pytest_plugins.py
index e806d0c88..30525fd3c 100644
--- a/tests/unit/test_pytest_plugins.py
+++ b/tests/unit/test_pytest_plugins.py
@@ -119,7 +119,7 @@ def test_run_result_repr(capfd):
     with RunResult(["hello", "world"], capfd) as run_result:
         # simulate tox writing some unicode output
         stdout_buffer = getattr(sys.stdout, "buffer", sys.stdout)
-        stdout_buffer.write(u"\u2603".encode("UTF-8"))
+        stdout_buffer.write("\u2603".encode("UTF-8"))
 
     # must not `UnicodeError` on repr(...)
     ret = repr(run_result)