diff --git a/.readthedocs.yaml b/.readthedocs.yaml
index db40450f..57b93e6d 100644
--- a/.readthedocs.yaml
+++ b/.readthedocs.yaml
@@ -6,9 +6,9 @@ version: 2
 
 # Set the version of Python and other tools you might need
 build:
-  os: ubuntu-22.04
+  os: ubuntu-lts-latest
   tools:
-    python: "3.9"
+    python: "3.14"
     # You can also specify other tool versions:
     # nodejs: "16"
     # rust: "1.55"
diff --git a/docs/requirements.txt b/docs/requirements.txt
index f58d1c77..fd7335ea 100644
--- a/docs/requirements.txt
+++ b/docs/requirements.txt
@@ -1,3 +1,3 @@
 m2r2>=0.3.2
-sphinx>=7.2.6,<9
-sphinx-rtd-theme>=2.0.0,<3
+sphinx>=8,<9
+sphinx-rtd-theme>=3,<4