diff --git a/cloud-infrastructure/compute-including-hpc/ai-infra-gpu/ai-infrastructure/rag-langchain-vllm-mistral/files/requirements.txt b/cloud-infrastructure/compute-including-hpc/ai-infra-gpu/ai-infrastructure/rag-langchain-vllm-mistral/files/requirements.txt
index 86b92f268..c2e7ec24d 100644
--- a/cloud-infrastructure/compute-including-hpc/ai-infra-gpu/ai-infrastructure/rag-langchain-vllm-mistral/files/requirements.txt
+++ b/cloud-infrastructure/compute-including-hpc/ai-infra-gpu/ai-infrastructure/rag-langchain-vllm-mistral/files/requirements.txt
@@ -122,7 +122,7 @@ nest-asyncio==1.6.0
 networkx==3.4.2
 newspaper3k==0.2.8
 ninja==1.11.1.4
-nltk==3.9.1
+nltk==3.9.3
 numba==0.61.0
 numpy==2.1.3
 nvidia-cublas-cu12==12.4.5.8