diff --git a/poetry.lock b/poetry.lock
index 17104f59..a97dd053 100644
--- a/poetry.lock
+++ b/poetry.lock
@@ -656,18 +656,18 @@ testing = ["covdefaults (>=2.3)", "coverage (>=7.3)", "diff-cover (>=7.7)", "pyt
 
 [[package]]
 name = "sphinx-rtd-theme"
-version = "1.3.0"
+version = "2.0.0"
 description = "Read the Docs theme for Sphinx"
 optional = false
-python-versions = "!=3.0.*,!=3.1.*,!=3.2.*,!=3.3.*,!=3.4.*,!=3.5.*,>=2.7"
+python-versions = ">=3.6"
 files = [
-    {file = "sphinx_rtd_theme-1.3.0-py2.py3-none-any.whl", hash = "sha256:46ddef89cc2416a81ecfbeaceab1881948c014b1b6e4450b815311a89fb977b0"},
-    {file = "sphinx_rtd_theme-1.3.0.tar.gz", hash = "sha256:590b030c7abb9cf038ec053b95e5380b5c70d61591eb0b552063fbe7c41f0931"},
+    {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"},
 ]
 
 [package.dependencies]
-docutils = "<0.19"
-sphinx = ">=1.6,<8"
+docutils = "<0.21"
+sphinx = ">=5,<8"
 sphinxcontrib-jquery = ">=4,<5"
 
 [package.extras]
@@ -957,4 +957,4 @@ testing = ["flake8 (<5)", "func-timeout", "jaraco.functools", "jaraco.itertools"
 [metadata]
 lock-version = "2.0"
 python-versions = "^3.8"
-content-hash = "334d48e6d57bed781ee5cb642b2940c6fcf346e6c94814bf2c588859dea9db33"
+content-hash = "687907926ac5a55231a363611f7c0ccd688000dee9aa667df29b24e7f251b1fe"
diff --git a/pyproject.toml b/pyproject.toml
index c3a367a0..5a162fcf 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -34,7 +34,7 @@ black = "^23.11.0"
 mypy = "^1.7"
 types-urllib3 = "^1.26.25"
 Sphinx = "^7.1.2"
-sphinx-rtd-theme = "^1.3.0"
+sphinx-rtd-theme = "^2.0.0"
 # keep this in sync with docs/requirements.txt for readthedocs.org
 sphinx-autodoc-typehints = "^1.25.2"
 types-certifi = "^2021.10.8"