diff --git a/src/deepness/python_requirements/requirements_development.txt b/src/deepness/python_requirements/requirements_development.txt
index cb7da2e1..3a746090 100644
--- a/src/deepness/python_requirements/requirements_development.txt
+++ b/src/deepness/python_requirements/requirements_development.txt
@@ -5,7 +5,7 @@
 pytest==7.4.0
 pytest-cov==4.1.0
 flake8==6.0.0
-onnx==1.14.0
+onnx==1.21.0rc1
 
 # docs
 sphinx==6.1.3