diff --git a/requirements.txt b/requirements.txt
index 917f0b4..b7453ea 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -3,5 +3,5 @@ tensorflow
 numpy 
 torch
 torchvision
-onnx
-onnx2keras
\ No newline at end of file
+onnx==1.8.1
+onnx2keras