diff --git a/Blog4-PDF-TitanEmbeddings/notebooks/requirements.txt b/Blog4-PDF-TitanEmbeddings/notebooks/requirements.txt
index 3cdc241..a80eca3 100644
--- a/Blog4-PDF-TitanEmbeddings/notebooks/requirements.txt
+++ b/Blog4-PDF-TitanEmbeddings/notebooks/requirements.txt
@@ -4,7 +4,7 @@ ray==2.10.0
 PyPDF2==3.0.1
 PyMuPDF==1.24.3
 pdf2image==1.17.0
-litellm==1.37.20
+litellm==1.44.8
 httplib2==0.19.0
 langchain==0.0.340
 requests==2.31.0