diff --git a/requirements.txt b/requirements.txt
index df7b131..beedcd6 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -4,4 +4,15 @@ pytest
 pytest-cov
 black[jupyter]
 ipykernel
-textwrap3
\ No newline at end of file
+textwrap3
+
+# Additional requirements to run the ipynb.
+pdfminder.six
+pillow_heif
+unstructured
+textwrap3
+opencv-python
+pdf2image
+unstructured_inference
+unstructured_pytesseract
+pytesseract # Perhaps redundant, did not verify.