diff --git a/.readthedocs.yml b/.readthedocs.yml
index f39e9d9..e9186fa 100644
--- a/.readthedocs.yml
+++ b/.readthedocs.yml
@@ -1,15 +1,24 @@
-# .readthedocs.yml
-# Read the Docs configuration file
+# Read the Docs configuration file for Sphinx projects
 # See https://docs.readthedocs.io/en/stable/config-file/v2.html for details
 
 # Required
 version: 2
 
-# Build documentation in the docs/ directory with Sphinx
+# Set the OS, Python version and other tools you might need
+build:
+  os: ubuntu-22.04
+  tools:
+    python: "3.12"
+
+# Build documentation in the "docs/" directory with Sphinx
 sphinx:
   configuration: docs/conf.py
 
+# Optionally build your docs in additional formats such as PDF and ePub
+formats:
+  - pdf
+  - epub
 
-# Optionally set the version of Python and requirements required to build your docs
 python:
-  version: 3.7
\ No newline at end of file
+  install:
+    - requirements: docs/requirements.txt
diff --git a/docs/requirements.txt b/docs/requirements.txt
new file mode 100644
index 0000000..90e9359
--- /dev/null
+++ b/docs/requirements.txt
@@ -0,0 +1 @@
+sphinx_rtd_theme