diff --git a/tools/ci_build/github/linux/docker/scripts/lort/requirements.txt b/tools/ci_build/github/linux/docker/scripts/lort/requirements.txt
index 63a8e96d8c128..eb52681341012 100644
--- a/tools/ci_build/github/linux/docker/scripts/lort/requirements.txt
+++ b/tools/ci_build/github/linux/docker/scripts/lort/requirements.txt
@@ -3,7 +3,7 @@ beartype==0.15.0
 flatbuffers
 cerberus
 h5py
-onnx==1.20.1
+onnx==1.21.0
 # Python dependencies required for pytorch development
 astunparse
 expecttest!=0.2.0