diff --git a/backend/requirements.txt b/backend/requirements.txt
index 03eeba2a1eb..8a29c757707 100644
--- a/backend/requirements.txt
+++ b/backend/requirements.txt
@@ -70,7 +70,7 @@ 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
diff --git a/pyproject.toml b/pyproject.toml
index 73409618fd0..5000f810913 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -72,7 +72,7 @@ dependencies = [
     "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",