diff --git a/poetry.lock b/poetry.lock
index 150eeb0..f5f81df 100644
--- a/poetry.lock
+++ b/poetry.lock
@@ -1444,22 +1444,22 @@ testing = ["covdefaults (>=2.3)", "coverage (>=7.4.2)", "diff-cover (>=8.0.3)",
 
 [[package]]
 name = "sphinx-rtd-theme"
-version = "2.0.0"
+version = "3.0.1"
 description = "Read the Docs theme for Sphinx"
 optional = false
-python-versions = ">=3.6"
+python-versions = ">=3.8"
 files = [
-    {file = "sphinx_rtd_theme-2.0.0-py2.py3-none-any.whl", hash = "sha256:ec93d0856dc280cf3aee9a4c9807c60e027c7f7b461b77aeffed682e68f0e586"},
-    {file = "sphinx_rtd_theme-2.0.0.tar.gz", hash = "sha256:bd5d7b80622406762073a04ef8fadc5f9151261563d47027de09910ce03afe6b"},
+    {file = "sphinx_rtd_theme-3.0.1-py2.py3-none-any.whl", hash = "sha256:921c0ece75e90633ee876bd7b148cfaad136b481907ad154ac3669b6fc957916"},
+    {file = "sphinx_rtd_theme-3.0.1.tar.gz", hash = "sha256:a4c5745d1b06dfcb80b7704fe532eb765b44065a8fad9851e4258c8804140703"},
 ]
 
 [package.dependencies]
-docutils = "<0.21"
-sphinx = ">=5,<8"
+docutils = ">0.18,<0.22"
+sphinx = ">=6,<9"
 sphinxcontrib-jquery = ">=4,<5"
 
 [package.extras]
-dev = ["bump2version", "sphinxcontrib-httpdomain", "transifex-client", "wheel"]
+dev = ["bump2version", "transifex-client", "twine", "wheel"]
 
 [[package]]
 name = "sphinxcontrib-applehelp"
@@ -1689,4 +1689,4 @@ test = ["big-O", "importlib-resources", "jaraco.functools", "jaraco.itertools",
 [metadata]
 lock-version = "2.0"
 python-versions = "^3.8"
-content-hash = "adc84c951c6143ff38312347e04aad4ee68286554893dfc29ffee64c93a1f735"
+content-hash = "d3ac50ebc59fbd3d9032bf3baae6f44c17fbed8dbc58b589a7e00f1584a04bd3"
diff --git a/pyproject.toml b/pyproject.toml
index c7a61e3..fb43cb5 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -82,7 +82,7 @@ optional = true
 
 [tool.poetry.group.docs.dependencies]
 sphinx = ">=5.0,<8.0"
-sphinx-rtd-theme = ">=1.3,<3.0"
+sphinx-rtd-theme = ">=1.3,<4.0"
 sphinx-autodoc-typehints = ">=1.19.5,<3.0.0"
 m2r2 = "^0.3"
 tomlkit = ">=0.13.0,<0.14"