diff --git a/poetry.lock b/poetry.lock
index 4e3e209..a5fa70c 100644
--- a/poetry.lock
+++ b/poetry.lock
@@ -447,7 +447,7 @@ python-versions = ">=2.6, !=3.0.*, !=3.1.*, !=3.2.*"
 
 [[package]]
 name = "tox"
-version = "3.23.0"
+version = "3.25.0"
 description = "tox is a generic virtualenv management and test command line tool"
 category = "dev"
 optional = false
@@ -466,7 +466,7 @@ virtualenv = ">=16.0.0,<20.0.0 || >20.0.0,<20.0.1 || >20.0.1,<20.0.2 || >20.0.2,
 
 [package.extras]
 docs = ["pygments-github-lexers (>=0.0.5)", "sphinx (>=2.0.0)", "sphinxcontrib-autoprogram (>=0.1.5)", "towncrier (>=18.5.0)"]
-testing = ["flaky (>=3.4.0)", "freezegun (>=0.3.11)", "psutil (>=5.6.1)", "pytest (>=4.0.0)", "pytest-cov (>=2.5.1)", "pytest-mock (>=1.10.0)", "pytest-randomly (>=1.0.0)", "pytest-xdist (>=1.22.2)", "pathlib2 (>=2.3.3)"]
+testing = ["flaky (>=3.4.0)", "freezegun (>=0.3.11)", "pytest (>=4.0.0)", "pytest-cov (>=2.5.1)", "pytest-mock (>=1.10.0)", "pytest-randomly (>=1.0.0)", "psutil (>=5.6.1)", "pathlib2 (>=2.3.3)"]
 
 [[package]]
 name = "typed-ast"
@@ -519,7 +519,7 @@ testing = ["pytest (>=4.6)", "pytest-checkdocs (>=1.2.3)", "pytest-flake8", "pyt
 [metadata]
 lock-version = "1.1"
 python-versions = "^3.6.1"
-content-hash = "74c1372394b150f7633c31f62c841e1f2e0fec8ae94493fc84550859fa019e25"
+content-hash = "c3f57fb3d87fb5251cd53671cc275e75cbc0e70e88ded8102ed31fa752d050b1"
 
 [metadata.files]
 appdirs = [
@@ -822,8 +822,8 @@ toml = [
     {file = "toml-0.10.2.tar.gz", hash = "sha256:b3bda1d108d5dd99f4a20d24d9c348e91c4db7ab1b749200bded2f839ccbe68f"},
 ]
 tox = [
-    {file = "tox-3.23.0-py2.py3-none-any.whl", hash = "sha256:e007673f3595cede9b17a7c4962389e4305d4a3682a6c5a4159a1453b4f326aa"},
-    {file = "tox-3.23.0.tar.gz", hash = "sha256:05a4dbd5e4d3d8269b72b55600f0b0303e2eb47ad5c6fe76d3576f4c58d93661"},
+    {file = "tox-3.25.0-py2.py3-none-any.whl", hash = "sha256:0805727eb4d6b049de304977dfc9ce315a1938e6619c3ab9f38682bb04662a5a"},
+    {file = "tox-3.25.0.tar.gz", hash = "sha256:37888f3092aa4e9f835fc8cc6dadbaaa0782651c41ef359e3a5743fcb0308160"},
 ]
 typed-ast = [
     {file = "typed_ast-1.4.3-cp35-cp35m-manylinux1_i686.whl", hash = "sha256:2068531575a125b87a41802130fa7e29f26c09a2833fea68d9a40cf33902eba6"},
diff --git a/pyproject.toml b/pyproject.toml
index e0910ce..c60c871 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -22,7 +22,7 @@ bandit = "^1.7.0"
 pytest-cov = "^2.11.1"
 pre-commit = "^2.12.1"
 flake8 = "^3.9.1"
-tox = "^3.23.0"
+tox = "^3.25.0"
 pytest = "^6.2.3"
 mypy = "^0.812"
 black = "^20.8b1"