diff --git a/.azure-pipelines/MacOS-CI.yml b/.azure-pipelines/MacOS-CI.yml
index be1682c9160..6e2bf282515 100644
--- a/.azure-pipelines/MacOS-CI.yml
+++ b/.azure-pipelines/MacOS-CI.yml
@@ -92,7 +92,7 @@ jobs:
       python -m pip install onnxruntime
       export ORT_MAX_IR_SUPPORTED_VERSION=9
       export ORT_MAX_ML_OPSET_SUPPORTED_VERSION=3
-      export ORT_MAX_ONNX_OPSET_SUPPORTED_VERSION=19
+      export ORT_MAX_ONNX_OPSET_SUPPORTED_VERSION=20
       pytest -n auto --dist loadscope
       if [ $? -ne 0 ]; then
         echo "pytest failed when testing onnx with onnxruntime"
diff --git a/.github/workflows/release_linux_aarch64.yml b/.github/workflows/release_linux_aarch64.yml
index c66be5e633f..6a0d6e3eaeb 100644
--- a/.github/workflows/release_linux_aarch64.yml
+++ b/.github/workflows/release_linux_aarch64.yml
@@ -121,6 +121,6 @@ jobs:
           python -m pip install -q onnxruntime && \
           export ORT_MAX_IR_SUPPORTED_VERSION=9 \
           export ORT_MAX_ML_OPSET_SUPPORTED_VERSION=3 \
-          export ORT_MAX_ONNX_OPSET_SUPPORTED_VERSION=19 \
+          export ORT_MAX_ONNX_OPSET_SUPPORTED_VERSION=20 \
           pytest && \
           deactivate'
diff --git a/.github/workflows/release_linux_x86_64.yml b/.github/workflows/release_linux_x86_64.yml
index 6bb0329c787..408c56479a5 100644
--- a/.github/workflows/release_linux_x86_64.yml
+++ b/.github/workflows/release_linux_x86_64.yml
@@ -96,5 +96,5 @@ jobs:
         python -m pip install -q onnxruntime
         export ORT_MAX_IR_SUPPORTED_VERSION=9
         export ORT_MAX_ML_OPSET_SUPPORTED_VERSION=3
-        export ORT_MAX_ONNX_OPSET_SUPPORTED_VERSION=19
+        export ORT_MAX_ONNX_OPSET_SUPPORTED_VERSION=20
         pytest
diff --git a/.github/workflows/release_mac.yml b/.github/workflows/release_mac.yml
index 45c574cae60..a4878f9e70b 100644
--- a/.github/workflows/release_mac.yml
+++ b/.github/workflows/release_mac.yml
@@ -129,5 +129,5 @@ jobs:
         python -m pip install -q onnxruntime
         export ORT_MAX_IR_SUPPORTED_VERSION=9
         export ORT_MAX_ML_OPSET_SUPPORTED_VERSION=3
-        export ORT_MAX_ONNX_OPSET_SUPPORTED_VERSION=19
+        export ORT_MAX_ONNX_OPSET_SUPPORTED_VERSION=20
         pytest
diff --git a/.github/workflows/release_win.yml b/.github/workflows/release_win.yml
index c69c6c50719..05a321de784 100644
--- a/.github/workflows/release_win.yml
+++ b/.github/workflows/release_win.yml
@@ -124,5 +124,5 @@ jobs:
         python -m pip install -q onnxruntime
         $Env:ORT_MAX_IR_SUPPORTED_VERSION=9
         $Env:ORT_MAX_ML_OPSET_SUPPORTED_VERSION=3
-        $Env:ORT_MAX_ONNX_OPSET_SUPPORTED_VERSION=19
+        $Env:ORT_MAX_ONNX_OPSET_SUPPORTED_VERSION=20
         pytest