diff --git a/.readthedocs.yml b/.readthedocs.yml
index 6b0c699f21..176ce0cd1d 100644
--- a/.readthedocs.yml
+++ b/.readthedocs.yml
@@ -3,7 +3,7 @@ version: 2
 build:
   os: "ubuntu-22.04"
   tools:
-    python: "mambaforge-22.9"
+    python: "miniforge3-latest"
   jobs:
     post_checkout:
       # The SciTools/iris repository is shallow i.e., has a .git/shallow,
diff --git a/docs/src/whatsnew/latest.rst b/docs/src/whatsnew/latest.rst
index 3e6d53fa52..21125b09c8 100644
--- a/docs/src/whatsnew/latest.rst
+++ b/docs/src/whatsnew/latest.rst
@@ -66,6 +66,8 @@ This document explains the changes made to Iris for this release
 #. `@tkknight`_ added a minimum pin for the PyData Sphinxc Theme as we use the
    collapse sidebar feature introduced in 0.17.0. (:pull:`7060`)
 
+#. `@tkknight`_ updated a dependency in the Read The Docs configuration file to
+   use the latest python. (:pull:`7084`)
 
 📚 Documentation
 ================