diff --git a/microservices/llm_service/requirements.txt b/microservices/llm_service/requirements.txt
index 3457ad2e..fbe07a1c 100644
--- a/microservices/llm_service/requirements.txt
+++ b/microservices/llm_service/requirements.txt
@@ -11,5 +11,5 @@ invoke==2.0.0
 packaging==21.3 
 shapely==1.8.5.post1
 cohere==4.1.4
-pypdf==3.12.0
+pypdf==6.4.0
 numpy==1.25.0