diff --git a/README.md b/README.md
index bff784b..7192601 100644
--- a/README.md
+++ b/README.md
@@ -45,7 +45,7 @@ pip install -r requirements.txt
 
 ```
 pip uninstall onnxruntime onnxruntime-gpu
-pip install onnxruntime-gpu==1.18.0
+pip install onnxruntime-gpu==1.15.1
 
 ```