diff --git a/.readthedocs.yaml b/.readthedocs.yaml
index 803dfa2..2af3703 100644
--- a/.readthedocs.yaml
+++ b/.readthedocs.yaml
@@ -5,6 +5,11 @@
 # Required
 version: 2
 
+build:
+  os: "ubuntu-22.04"
+  tools:
+    python: "3.11"
+
 # Build documentation in the docs/ directory with Sphinx
 sphinx:
   builder: html
@@ -17,6 +22,5 @@ formats:
 
 # Optionally set the version of Python and requirements required to build your docs
 python:
-   version: 3.7
    install:
-   - requirements: docs/sphinx/requirements.txt
\ No newline at end of file
+   - requirements: docs/sphinx/requirements.txt
diff --git a/docs/conf.py b/docs/conf.py
index 1d8714e..a1c6d47 100644
--- a/docs/conf.py
+++ b/docs/conf.py
@@ -18,6 +18,7 @@ extensions = [
     'sphinx.ext.viewcode',
     'sphinx.ext.imgmath',
     'sphinx.ext.todo',
+    'sphinx_rtd_theme',
     'breathe',
 ]
 
diff --git a/docs/sphinx/requirements.txt b/docs/sphinx/requirements.txt
index 188f51e..c6d3406 100644
--- a/docs/sphinx/requirements.txt
+++ b/docs/sphinx/requirements.txt
@@ -1 +1,2 @@
-breathe
\ No newline at end of file
+breathe
+sphinx_rtd_theme