diff --git a/poetry.lock b/poetry.lock
index 38e736b..fe24a7e 100644
--- a/poetry.lock
+++ b/poetry.lock
@@ -1108,26 +1108,26 @@ files = [
 
 [[package]]
 name = "sphinx"
-version = "5.3.0"
+version = "6.2.1"
 description = "Python documentation generator"
 optional = true
-python-versions = ">=3.6"
+python-versions = ">=3.8"
 files = [
-    {file = "Sphinx-5.3.0.tar.gz", hash = "sha256:51026de0a9ff9fc13c05d74913ad66047e104f56a129ff73e174eb5c3ee794b5"},
-    {file = "sphinx-5.3.0-py3-none-any.whl", hash = "sha256:060ca5c9f7ba57a08a1219e547b269fadf125ae25b06b9fa7f66768efb652d6d"},
+    {file = "Sphinx-6.2.1.tar.gz", hash = "sha256:6d56a34697bb749ffa0152feafc4b19836c755d90a7c59b72bc7dfd371b9cc6b"},
+    {file = "sphinx-6.2.1-py3-none-any.whl", hash = "sha256:97787ff1fa3256a3eef9eda523a63dbf299f7b47e053cfcf684a1c2a8380c912"},
 ]
 
 [package.dependencies]
 alabaster = ">=0.7,<0.8"
 babel = ">=2.9"
 colorama = {version = ">=0.4.5", markers = "sys_platform == \"win32\""}
-docutils = ">=0.14,<0.20"
+docutils = ">=0.18.1,<0.20"
 imagesize = ">=1.3"
 importlib-metadata = {version = ">=4.8", markers = "python_version < \"3.10\""}
 Jinja2 = ">=3.0"
 packaging = ">=21.0"
-Pygments = ">=2.12"
-requests = ">=2.5.0"
+Pygments = ">=2.13"
+requests = ">=2.25.0"
 snowballstemmer = ">=2.0"
 sphinxcontrib-applehelp = "*"
 sphinxcontrib-devhelp = "*"
@@ -1138,8 +1138,8 @@ sphinxcontrib-serializinghtml = ">=1.1.5"
 
 [package.extras]
 docs = ["sphinxcontrib-websupport"]
-lint = ["docutils-stubs", "flake8 (>=3.5.0)", "flake8-bugbear", "flake8-comprehensions", "flake8-simplify", "isort", "mypy (>=0.981)", "sphinx-lint", "types-requests", "types-typed-ast"]
-test = ["cython", "html5lib", "pytest (>=4.6)", "typed_ast"]
+lint = ["docutils-stubs", "flake8 (>=3.5.0)", "flake8-simplify", "isort", "mypy (>=0.990)", "ruff", "sphinx-lint", "types-requests"]
+test = ["cython", "filelock", "html5lib", "pytest (>=4.6)"]
 
 [[package]]
 name = "sphinx-autobuild"
@@ -1424,4 +1424,4 @@ docs = ["furo", "myst-parser", "sphinx", "sphinx-autobuild", "sphinx-copybutton"
 [metadata]
 lock-version = "2.0"
 python-versions = ">=3.8,<4"
-content-hash = "9bee5b1175d146f0e86b80ecbf44cf4ebc33c0d9066d01b46f94eedaa365462c"
+content-hash = "d41d10dd68f8a6bb79a8e7f15681021c14bb9156adea6897625ccaea3eb678a0"
diff --git a/pyproject.toml b/pyproject.toml
index aa9833e..acaa132 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -46,7 +46,7 @@ pydantic = ">=2,<3"
 devtools = ">=0.9.0,<1"
 # Sphinx dependencies installed as optional 'docs' extras
 # https://github.com/readthedocs/readthedocs.org/issues/4912#issuecomment-664002569
-sphinx = {version = ">=4.5,<6.0", optional = true}
+sphinx = {version = ">=4.5,<7.0", optional = true}
 furo = {version = ">=2022.12.7,<2024.0.0", optional = true}
 sphinx-copybutton = {version = ">=0.3.1,<0.6.0", optional = true}
 myst-parser = {version = ">=0.17.2,<1.1.0", optional = true}