diff --git a/requirements.txt b/requirements.txt
index 4eac22f03165ba934cf9a9517a14ed4cd8a4c7c6..2427f9490a3dd5a7ffe0e0a8cf2ad19af0934cdf 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -2,7 +2,7 @@ bitstring
 docrep
 future
 numpy==1.18.0
-onnx==1.5.0
+onnx==1.6.0
 onnxruntime==1.2.0
 pre-commit
 pyverilator