diff --git a/pkgs/by-name/on/onnx/package.nix b/pkgs/by-name/on/onnx/package.nix
index d5eec863c95f..31adc3753a6c 100644
--- a/pkgs/by-name/on/onnx/package.nix
+++ b/pkgs/by-name/on/onnx/package.nix
@@ -33,13 +33,13 @@ stdenv.mkDerivation (finalAttrs: {
   strictDeps = true;
 
   pname = "onnx";
-  version = "1.20.1";
+  version = "1.21.0";
 
   src = fetchFromGitHub {
     owner = "onnx";
     repo = "onnx";
     tag = "v${finalAttrs.version}";
-    hash = "sha256-XZJXD6sBvVJ6cLPyDkKOW8oSkjqcw9whUqDWd7dxY3c=";
+    hash = "sha256-eF6BdTwTuHh6ckuLGN1d6z2GLU47lPqtzu4zIv8+cTs=";
   };
 
   outputs = [
diff --git a/pkgs/development/python-modules/onnx-ir/default.nix b/pkgs/development/python-modules/onnx-ir/default.nix
index c4dbfc72ac66..cd419744a99d 100644
--- a/pkgs/development/python-modules/onnx-ir/default.nix
+++ b/pkgs/development/python-modules/onnx-ir/default.nix
@@ -74,6 +74,10 @@ buildPythonPackage (finalAttrs: {
   disabledTestPaths = [
     # Circular dependency with onnxscript
     "src/onnx_ir/passes/common/common_subexpression_elimination_test.py"
+
+    # ImportError: cannot import name 'hub' from 'onnx'
+    # onnx.hub was removed in 1.21.0
+    "tools/model_zoo_test/model_zoo_test.py"
   ];
 
   # Importing onnxruntime in the sandbox crashes on aarch64-linux: