diff --git a/.readthedocs.yaml b/.readthedocs.yaml
index 4c85b928..3dcc7793 100644
--- a/.readthedocs.yaml
+++ b/.readthedocs.yaml
@@ -3,7 +3,7 @@ version: 2
 build:
   os: ubuntu-20.04
   tools:
-    python: "3.9"
+    python: "3.12"
 
 sphinx:
   configuration: docs/source/conf.py
diff --git a/docs/source/requirements.txt b/docs/source/requirements.txt
index 9364148e..a53335cd 100644
--- a/docs/source/requirements.txt
+++ b/docs/source/requirements.txt
@@ -1,2 +1,2 @@
-sphinx==4.4.0
-sphinx_rtd_theme==1.0.0
+sphinx==5.3.0
+sphinx_rtd_theme==2.0.0