diff --git a/estel/requirements.txt b/estel/requirements.txt
index 84742e7..f211659 100644
--- a/estel/requirements.txt
+++ b/estel/requirements.txt
@@ -8,5 +8,5 @@ faiss-cpu==1.10.0
 streamlit==1.34.0
 python-dotenv==1.0.1
 tqdm==4.66.2
-pypdf==3.17.4
+pypdf==6.6.0
 cryptography>=3.1