diff --git a/src/nncf/onnx/graph/metatypes/groups.py b/src/nncf/onnx/graph/metatypes/groups.py
index 758b61eee08..514b5ac3040 100644
--- a/src/nncf/onnx/graph/metatypes/groups.py
+++ b/src/nncf/onnx/graph/metatypes/groups.py
@@ -54,6 +54,7 @@
     onnx_metatypes.ONNXDepthwiseConvolutionMetatype,
     onnx_metatypes.ONNXConvolutionTransposeMetatype,
     onnx_metatypes.ONNXDeformableConvolutionMetatype,
+    onnx_metatypes.ONNXGroupConvolutionMetatype,
 ]
 
 LINEAR_OPERATIONS = [*CONVOLUTION_METATYPES, *MATMUL_METATYPES]
diff --git a/tests/post_training/pipelines/image_classification_timm.py b/tests/post_training/pipelines/image_classification_timm.py
index 8f2d53b8fb1..8ba17f7b49a 100644
--- a/tests/post_training/pipelines/image_classification_timm.py
+++ b/tests/post_training/pipelines/image_classification_timm.py
@@ -52,8 +52,7 @@ def prepare_model(self) -> None:
                 self.dummy_tensor,
                 onnx_path,
                 export_params=True,
-                opset_version=13,
-                dynamo=False,
+                opset_version=18,
                 **additional_kwargs,
             )
             self.model = onnx.load(onnx_path)
diff --git a/tests/post_training/pipelines/image_classification_torchvision.py b/tests/post_training/pipelines/image_classification_torchvision.py
index 781dfc6f3ad..8a575c2dc1c 100644
--- a/tests/post_training/pipelines/image_classification_torchvision.py
+++ b/tests/post_training/pipelines/image_classification_torchvision.py
@@ -99,8 +99,7 @@ def prepare_model(self) -> None:
                 self.dummy_tensor,
                 onnx_path,
                 export_params=True,
-                opset_version=13,
-                dynamo=False,
+                opset_version=18,
                 **additional_kwargs,
             )
             self.model = onnx.load(onnx_path)
diff --git a/tests/post_training/requirements.txt b/tests/post_training/requirements.txt
index 0a9609ed390..1227a4df7ff 100644
--- a/tests/post_training/requirements.txt
+++ b/tests/post_training/requirements.txt
@@ -3,6 +3,7 @@ torch
 torchvision
 onnx
 onnxruntime
+onnxscript
 openvino
 pytest
 pytest-forked