diff --git a/.readthedocs.yml b/.readthedocs.yml
index ebcd5eba..6e41af22 100644
--- a/.readthedocs.yml
+++ b/.readthedocs.yml
@@ -16,7 +16,7 @@ build:
 
   tools:
 
-    python: "3.9"
+    python: "3.8"
 
     # You can also specify other tool versions:
 
diff --git a/docs/requirements.txt b/docs/requirements.txt
index 51a98171..ce42941c 100644
--- a/docs/requirements.txt
+++ b/docs/requirements.txt
@@ -1,3 +1,9 @@
 # Required dependencies for Sphinx documentation
 sphinx
-sphinx-rtd-theme
\ No newline at end of file
+sphinx-rtd-theme
+numpy
+pyomo
+networkx
+onnx
+tensorflow
+importlib-metadata
\ No newline at end of file