diff --git a/isolation-forest-onnx/requirements.txt b/isolation-forest-onnx/requirements.txt
index a37555d..7f4243c 100644
--- a/isolation-forest-onnx/requirements.txt
+++ b/isolation-forest-onnx/requirements.txt
@@ -1,5 +1,5 @@
 avro-python3==1.9.1
 numpy==2.2.6
-onnx==1.21.0
+onnx==1.22.0
 onnxruntime==1.24.1
 protobuf==5.29.6
diff --git a/isolation-forest-onnx/setup.cfg b/isolation-forest-onnx/setup.cfg
index 5084738..cd2eb9a 100644
--- a/isolation-forest-onnx/setup.cfg
+++ b/isolation-forest-onnx/setup.cfg
@@ -17,7 +17,7 @@ python_requires = >=3.11
 install_requires =
     avro_python3==1.9.1
     numpy==2.2.6
-    onnx==1.21.0
+    onnx==1.22.0
     onnxruntime==1.24.1
     protobuf==5.29.6