diff --git a/backend/requirements.txt b/backend/requirements.txt
index 499eae36dec..3dfcf27db1e 100644
--- a/backend/requirements.txt
+++ b/backend/requirements.txt
@@ -60,7 +60,7 @@ einops==0.8.1
 
 
 ftfy==6.2.3
-pypdf==4.3.1
+pypdf==6.0.0
 fpdf2==2.8.2
 pymdown-extensions==10.14.2
 docx2txt==0.8