diff --git a/_config.yml b/_config.yml
index 9d0abe0d..07005ea7 100644
--- a/_config.yml
+++ b/_config.yml
@@ -45,7 +45,7 @@ sphinx:
   extra_extensions:
     - sphinxcontrib.mermaid
   config:  # Additional configuration for Sphinx
-    html_static_path: ['models']  # Indicating that '_static/models' should be included
+    html_static_path: ['models']
 
 
 only_build_toc_files: true
diff --git a/requirements.txt b/requirements.txt
index ff7eabba..39c6e2c6 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,3 +1,4 @@
+rdflib
 jupyter-book
 myst_parser
 sphinxcontrib-mermaid