diff --git a/spack-environment/packages.yaml b/spack-environment/packages.yaml
index 1015e850..c0dfd51c 100644
--- a/spack-environment/packages.yaml
+++ b/spack-environment/packages.yaml
@@ -285,7 +285,7 @@ packages:
     - '@1.26.1'
   py-onnx:
     require:
-    - '@1.13.1'
+    - '@1.23.4'
   py-onnxruntime:
     require:
     - '@1.7.2'