diff --git a/backend/requirements.txt b/backend/requirements.txt
index a82da19665e..6b1a0013a86 100644
--- a/backend/requirements.txt
+++ b/backend/requirements.txt
@@ -33,7 +33,7 @@ langchain-chroma==0.1.0
 fake-useragent==1.5.1
 chromadb==0.4.24
 sentence-transformers==2.7.0
-pypdf==4.2.0
+pypdf==6.6.2
 docx2txt==0.8
 python-pptx==0.6.23
 unstructured==0.11.8