From f6b7c755655b076ede53fea12ee8310300adf360 Mon Sep 17 00:00:00 2001
From: Christian Bourjau <christian.bourjau@quantco.com>
Date: Tue, 20 Oct 2026 12:37:16 +0200
Subject: [PATCH] Raise pinned IR version

---
 CHANGELOG.rst      | 8 ++++++++
 src/spox/_utils.py | 2 +-
 2 files changed, 9 insertions(+), 1 deletion(-)

diff --git a/CHANGELOG.rst b/CHANGELOG.rst
index e270843..98926c8 100644
--- a/CHANGELOG.rst
+++ b/CHANGELOG.rst
@@ -7,6 +7,14 @@
 Change log
 ==========
 
+0.18.2 (2026-10-20)
+-------------------
+
+**Bug fix**
+
+- Models are now built using IR version 10 which was released with onnx 1.16.0 and covers all data types supported by Spox.
+
+
 0.18.1 (2026-09-30)
 -------------------
 
diff --git a/src/spox/_utils.py b/src/spox/_utils.py
index 24872c7..7009ccc 100644
--- a/src/spox/_utils.py
+++ b/src/spox/_utils.py
@@ -52,7 +52,7 @@ def make_model(
     functions: list[onnx.FunctionProto] | None = None,
 ) -> onnx.ModelProto:
     """Like ``onnx.helper.make_model`` but with a consistent and conservative IR version that works on older runtimes."""
-    ir_version = 8
+    ir_version = 10
 
     kwargs: dict[str, Any] = {}
     if opset_imports is not None: