diff --git a/requirements.lite.txt b/requirements.lite.txt
index 661be35..9ea1c74 100644
--- a/requirements.lite.txt
+++ b/requirements.lite.txt
@@ -10,7 +10,7 @@ fastapi==0.115.12
 psycopg2-binary==2.9.9
 pgvector==0.2.5
 uvicorn==0.28.0
-pypdf==6.0.0
+pypdf==6.4.0
 unstructured==0.16.11
 markdown==3.8.2
 networkx==3.2.1
diff --git a/requirements.txt b/requirements.txt
index 0f81157..96e304d 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -12,7 +12,7 @@ fastapi==0.115.12
 psycopg2-binary==2.9.9
 pgvector==0.2.5
 uvicorn==0.28.0
-pypdf==6.0.0
+pypdf==6.4.0
 unstructured==0.16.11
 markdown==3.8.2
 networkx==3.2.1