diff --git a/microsoft-Phi-3-mini-128k-instruct/VitisAI/requirements_vitisai_llm.txt b/microsoft-Phi-3-mini-128k-instruct/VitisAI/requirements_vitisai_llm.txt
index 56a505aed..663a2d843 100644
--- a/microsoft-Phi-3-mini-128k-instruct/VitisAI/requirements_vitisai_llm.txt
+++ b/microsoft-Phi-3-mini-128k-instruct/VitisAI/requirements_vitisai_llm.txt
@@ -14,7 +14,7 @@ nltk
 numpy==1.26.4
 
 # Pin onnx version
-onnx==1.18.0
+onnx==1.21.0
 onnxruntime
 onnxruntime-genai
 onnxsim