diff --git a/.readthedocs.yaml b/.readthedocs.yaml
index 7ed5c46..acd191a 100644
--- a/.readthedocs.yaml
+++ b/.readthedocs.yaml
@@ -17,4 +17,4 @@ python:
   - method: pip
     path: .
     extra_requirements:
-    - docs
+    - doc
diff --git a/README.rst b/README.rst
index 9979e32..5d0d3b9 100644
--- a/README.rst
+++ b/README.rst
@@ -308,8 +308,8 @@ found at `keepacom/api_backend <https://github.com/keepacom/api_backend/>`_.
 
 License
 -------
-Apache License, please see license file. Work is credited to both Alex
-Kaszynski and Marius Johann.
+Apache License, please see license file. Work is credited to both Alex Kaszynski
+and Marius Johann.
 
 
 .. _create a pull request: https://docs.github.com/en/pull-requests/collaborating-with-pull-requests/proposing-changes-to-your-work-with-pull-requests/creating-a-pull-request
diff --git a/pyproject.toml b/pyproject.toml
index c1d5d21..61a4b4a 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -37,9 +37,9 @@ version = "1.5.dev0"
 
 [project.optional-dependencies]
 doc = [
-  "sphinx==7.3.7",
-  "pydata-sphinx-theme==0.15.4",
-  "numpydoc==1.7.0"
+  "sphinx==9.1.0",
+  "pydata-sphinx-theme==0.16.1",
+  "numpydoc==1.10.0"
 ]
 test = [
   "matplotlib",