diff --git a/microservices/llm_service/requirements.txt b/microservices/llm_service/requirements.txt
index 3457ad2e..dd17b316 100644
--- a/microservices/llm_service/requirements.txt
+++ b/microservices/llm_service/requirements.txt
@@ -4,7 +4,7 @@ google-cloud-aiplatform==1.25.0
 google-cloud-storage==2.10.0
 google-cloud-resource-manager==1.9.1 
 uvicorn==0.19.0
-protobuf==4.23.3
+protobuf==4.25.8
 langchain==0.0.226
 openai==0.27.8
 invoke==2.0.0