diff --git a/.readthedocs.yaml b/.readthedocs.yaml
index a1e0d752e..8a9f62df5 100644
--- a/.readthedocs.yaml
+++ b/.readthedocs.yaml
@@ -7,7 +7,7 @@ version: 2
 build:
   os: ubuntu-24.04
   tools:
-    python: "3.10"
+    python: "3.13"
   jobs:
     install:
       - pip install --group docs
diff --git a/docs/changes.rst b/docs/changes.rst
index c2ae9a02c..6528a51c0 100644
--- a/docs/changes.rst
+++ b/docs/changes.rst
@@ -6,6 +6,7 @@ Pending
 
 * Replaced ``requirements_dev.txt`` file for ``pyproject.toml`` support with
   dependency groups.
+* Updated ReadTheDocs Python version to 3.13.
 
 6.2.0 (2026-01-20)
 ------------------