diff --git a/benchmarks/rnnt/ootb/inference/requirements.txt b/benchmarks/rnnt/ootb/inference/requirements.txt
index 56e4bc4..64a0835 100644
--- a/benchmarks/rnnt/ootb/inference/requirements.txt
+++ b/benchmarks/rnnt/ootb/inference/requirements.txt
@@ -20,7 +20,7 @@ llvmlite==0.37.0
 markdown==3.2.1
 more-itertools==8.13.0
 numba==0.54.1
-onnx==1.16.2
+onnx==1.21.0rc1
 onnxruntime==1.11.1
 packaging==21.3
 pandas==1.3.5