diff --git a/pyproject.toml b/pyproject.toml
index 75c85fa..71e3aa5 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -27,7 +27,7 @@ dev = [
     "requests-mock>=1.12",
     "pyright>=1.1.410",
 ]
-docs = ["sphinx>=6,<7", "sphinx-rtd-theme~=1.2"]
+docs = ["sphinx>=6,<7", "sphinx-rtd-theme~=3.1"]
 
 
 [project.urls]
diff --git a/uv.lock b/uv.lock
index 4ee1548..fd08aa0 100644
--- a/uv.lock
+++ b/uv.lock
@@ -2,10 +2,6 @@ version = 1
 revision = 3
 requires-python = ">=3.12"
 
-[options]
-exclude-newer = "0001-01-01T00:00:00Z" # This has no effect and is included for backwards compatibility when using relative exclude-newer values.
-exclude-newer-span = "P7D"
-
 [[package]]
 name = "alabaster"
 version = "0.7.16"
@@ -659,16 +655,16 @@ wheels = [
 
 [[package]]
 name = "sphinx-rtd-theme"
-version = "1.3.0"
+version = "3.1.0"
 source = { registry = "https://pypi.org/simple" }
 dependencies = [
     { name = "docutils" },
     { name = "sphinx" },
     { name = "sphinxcontrib-jquery" },
 ]
-sdist = { url = "https://files.pythonhosted.org/packages/db/3e/477c5b3ed78b6818d673f63512db12ace8c89e83eb9eecc913f9e2cc8416/sphinx_rtd_theme-1.3.0.tar.gz", hash = "sha256:590b030c7abb9cf038ec053b95e5380b5c70d61591eb0b552063fbe7c41f0931", size = 2785069, upload-time = "2023-08-21T18:28:35.63Z" }
+sdist = { url = "https://files.pythonhosted.org/packages/84/68/a1bfbf38c0f7bccc9b10bbf76b94606f64acb1552ae394f0b8285bfaea25/sphinx_rtd_theme-3.1.0.tar.gz", hash = "sha256:b44276f2c276e909239a4f6c955aa667aaafeb78597923b1c60babc76db78e4c", size = 7620915, upload-time = "2026-01-12T16:03:31.17Z" }
 wheels = [
-    { url = "https://files.pythonhosted.org/packages/18/01/76f40a18e9209bb098c1c1313c823dbbd001b23a2db71e7fd4eb5a48559c/sphinx_rtd_theme-1.3.0-py2.py3-none-any.whl", hash = "sha256:46ddef89cc2416a81ecfbeaceab1881948c014b1b6e4450b815311a89fb977b0", size = 2824803, upload-time = "2023-08-21T18:28:32.926Z" },
+    { url = "https://files.pythonhosted.org/packages/87/c7/b5c8015d823bfda1a346adb2c634a2101d50bb75d421eb6dcb31acd25ebc/sphinx_rtd_theme-3.1.0-py2.py3-none-any.whl", hash = "sha256:1785824ae8e6632060490f67cf3a72d404a85d2d9fc26bce3619944de5682b89", size = 7655617, upload-time = "2026-01-12T16:03:28.101Z" },
 ]
 
 [[package]]
@@ -864,5 +860,5 @@ dev = [
 ]
 docs = [
     { name = "sphinx", specifier = ">=6,<7" },
-    { name = "sphinx-rtd-theme", specifier = "~=1.2" },
+    { name = "sphinx-rtd-theme", specifier = "~=3.1" },
 ]