diff --git a/.readthedocs.yml b/.readthedocs.yml
index 7d13c50..b396751 100644
--- a/.readthedocs.yml
+++ b/.readthedocs.yml
@@ -8,7 +8,7 @@ build:
   tools:
     # For available versions, see:
     # https://docs.readthedocs.io/en/stable/config-file/v2.html#build-tools-python
-    python: "3.12"  # Keep in sync with .github/workflows/checks.yml
+    python: "3.13"  # Keep in sync with .github/workflows/checks.yml
 python:
   install:
     - requirements: docs/requirements.txt