diff --git a/poetry.lock b/poetry.lock
index 0b53ceb..f9b09fc 100644
--- a/poetry.lock
+++ b/poetry.lock
@@ -1160,7 +1160,7 @@ python-versions = "*"
 
 [[package]]
 name = "sphinx"
-version = "4.4.0"
+version = "4.5.0"
 description = "Python documentation generator"
 category = "dev"
 optional = false
@@ -1450,7 +1450,7 @@ testing = ["pytest (>=4.6)", "pytest-checkdocs (>=2.4)", "pytest-flake8", "pytes
 [metadata]
 lock-version = "1.1"
 python-versions = "^3.7"
-content-hash = "b2f953d52b769e3fe8829b1f8909dc234e4a2e1d07b99865d19bdecdbc36e693"
+content-hash = "dec890b2b4fc648f01eec9491479792ea9fa5bb995a4a49e869cbdfcb0e1df36"
 
 [metadata.files]
 alabaster = [
@@ -2041,8 +2041,8 @@ sortedcontainers = [
     {file = "sortedcontainers-2.4.0.tar.gz", hash = "sha256:25caa5a06cc30b6b83d11423433f65d1f9d76c4c6a0c90e3379eaa43b9bfdb88"},
 ]
 sphinx = [
-    {file = "Sphinx-4.4.0-py3-none-any.whl", hash = "sha256:5da895959511473857b6d0200f56865ed62c31e8f82dd338063b84ec022701fe"},
-    {file = "Sphinx-4.4.0.tar.gz", hash = "sha256:6caad9786055cb1fa22b4a365c1775816b876f91966481765d7d50e9f0dd35cc"},
+    {file = "Sphinx-4.5.0-py3-none-any.whl", hash = "sha256:ebf612653238bcc8f4359627a9b7ce44ede6fdd75d9d30f68255c7383d3a6226"},
+    {file = "Sphinx-4.5.0.tar.gz", hash = "sha256:7bf8ca9637a4ee15af412d1a1d9689fec70523a68ca9bb9127c2f3eeb344e2e6"},
 ]
 sphinx-autodoc-typehints = [
     {file = "sphinx_autodoc_typehints-1.17.0-py3-none-any.whl", hash = "sha256:081daf53077b4ae1c28347d6d858e13e63aefe3b4aacef79fd717dd60687b470"},
diff --git a/pyproject.toml b/pyproject.toml
index 02b53a0..ec1a4bd 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -73,7 +73,7 @@ pytest = "^6.2"
 pytest-cov = "^3.0"
 pytest-randomly = "^3.11"
 
-sphinx = "^4.4"
+sphinx = "^4.5"
 sphinx-autodoc-typehints = "^1.17"
 doc8 = "^0.10"
 m2r2 = "^0.3"