diff --git a/backend/requirements.txt b/backend/requirements.txt
index 65649515b..b2a884c05 100644
--- a/backend/requirements.txt
+++ b/backend/requirements.txt
@@ -41,7 +41,7 @@ langchain-chroma==0.1.2
 fake-useragent==1.5.1
 chromadb==0.5.4
 sentence-transformers==3.0.1
-pypdf==4.2.0
+pypdf==4.3.1
 docx2txt==0.8
 python-pptx==0.6.23
 unstructured==0.15.0