diff --git a/pyproject.toml b/pyproject.toml
index 044fe0f833..025807c3d4 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -57,7 +57,7 @@ dependencies = [
 [project.optional-dependencies]
 tf = [
     "tensorflow>=2.11.0,<3.0.0",  # cf. https://github.com/mindee/doctr/pull/1182
-    "tf2onnx>=1.14.0,<2.0.0",
+    "tf2onnx>=1.15.1,<2.0.0",  # cf.https://github.com/onnx/tensorflow-onnx/releases/tag/v1.15.1
 ]
 torch = [
     "torch>=1.12.0,<3.0.0",