diff --git a/poetry.lock b/poetry.lock
index 855eb3f..29b9501 100644
--- a/poetry.lock
+++ b/poetry.lock
@@ -955,7 +955,7 @@ numpy = ">=1.16.0,<2"
 toolz = {version = ">0.9.0,<1", markers = "implementation_name == \"pypy\""}
 
 [package.extras]
-dev = ["Sphinx (>=1.6.5,<2)", "bumpversion (>=0.5.3,<1)", "flake8 (==3.6.0)", "hypothesis (>=6.88.1,<7)", "ipython", "isort (>=4.3.9,<5)", "mypy (==1.6.1)", "pytest (>=7.4.3,<8)", "pytest-watch (>=4.1.0,<5)", "pytest-watch (>=4.2.0,<5)", "pytest-xdist (>=3.2.0,<4)", "sphinx_rtd_theme (>=0.1.9)", "tox (>=4.11.3,<5)", "twine", "wheel"]
+dev = ["bumpversion (>=0.5.3,<1)", "ipython", "pytest-watch (>=4.1.0,<5)", "twine", "wheel"]
 doc = ["Sphinx (>=1.6.5,<2)", "sphinx_rtd_theme (>=0.1.9)"]
 lint = ["flake8 (==3.6.0)", "isort (>=4.3.9,<5)", "mypy (==1.6.1)"]
 test = ["hypothesis (>=6.88.1,<7)", "pytest (>=7.4.3,<8)", "pytest-watch (>=4.2.0,<5)", "pytest-xdist (>=3.2.0,<4)", "tox (>=4.11.3,<5)"]