diff --git a/poetry.lock b/poetry.lock
index f7ac18a..9b45cd2 100644
--- a/poetry.lock
+++ b/poetry.lock
@@ -196,7 +196,7 @@ description = "Cross-platform colored terminal text."
 optional = false
 python-versions = "!=3.0.*,!=3.1.*,!=3.2.*,!=3.3.*,!=3.4.*,!=3.5.*,!=3.6.*,>=2.7"
 groups = ["dev"]
-markers = "sys_platform == \"win32\" or platform_system == \"Windows\""
+markers = "platform_system == \"Windows\" or sys_platform == \"win32\""
 files = [
     {file = "colorama-0.4.6-py2.py3-none-any.whl", hash = "sha256:4f1d9991f5acc0ca119f9d443620b77f9d6b33703e51011c16baf57afb285fc6"},
     {file = "colorama-0.4.6.tar.gz", hash = "sha256:08695f5cb7ed6e0531a20572697297273c47b8cae5a63ffc6d6ed5c201be6e44"},
@@ -866,19 +866,19 @@ type-comment = ["typed-ast (>=1.5.4) ; python_version < \"3.8\""]
 
 [[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"
 groups = ["dev"]
 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]
@@ -1287,4 +1287,4 @@ io = ["websockets"]
 [metadata]
 lock-version = "2.1"
 python-versions = "^3.7"
-content-hash = "78ac1c73b7303d6a44ad08d46fe0d75463ec2da415b7a7bbab780ab084bb72be"
+content-hash = "01c01c40b04adfb7468f297210a69adbe3dbb8971847861f9222985aa7277a3f"
diff --git a/pyproject.toml b/pyproject.toml
index fdeca0f..f592d3b 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -28,7 +28,7 @@ pytest = "^7.0"
 pytest-asyncio = "^0.21.0"
 sphinx = "^5.0"
 sphinx-autodoc-typehints = "^1.21"
-sphinx-rtd-theme = "^1.2"
+sphinx-rtd-theme = ">=1.2,<3.0"
 websockets = "^10.0"
 bandit = ">=1.7.5,<1.8"