diff --git a/backend/requirements.txt b/backend/requirements.txt
index b1609e5270..9cc4938c0a 100644
--- a/backend/requirements.txt
+++ b/backend/requirements.txt
@@ -60,7 +60,7 @@ einops==0.8.1
 
 ftfy==6.2.3
 chardet==5.2.0
-pypdf==6.0.0
+pypdf==6.4.0
 fpdf2==2.8.2
 pymdown-extensions==10.14.2
 docx2txt==0.8
diff --git a/pyproject.toml b/pyproject.toml
index b71610e955..243ac462cf 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -68,7 +68,7 @@ dependencies = [
 
     "ftfy==6.2.3",
     "chardet==5.2.0",
-    "pypdf==6.0.0",
+    "pypdf==6.4.0",
     "fpdf2==2.8.2",
     "pymdown-extensions==10.14.2",
     "docx2txt==0.8",