diff --git a/optimum/exporters/openvino/model_configs.py b/optimum/exporters/openvino/model_configs.py
index 3863fb5092..fb1415700d 100644
--- a/optimum/exporters/openvino/model_configs.py
+++ b/optimum/exporters/openvino/model_configs.py
@@ -19,7 +19,15 @@
 from transformers.utils import is_tf_available
 
 from optimum.exporters.onnx.config import TextDecoderOnnxConfig, TextDecoderWithPositionIdsOnnxConfig
-from optimum.exporters.onnx.model_configs import FalconOnnxConfig, GemmaOnnxConfig, LlamaOnnxConfig, PhiOnnxConfig
+from optimum.exporters.onnx.model_configs import (
+    FalconOnnxConfig,
+    GemmaOnnxConfig,
+    LlamaOnnxConfig,
+    PhiOnnxConfig,
+    UNetOnnxConfig,
+    VaeDecoderOnnxConfig,
+    VaeEncoderOnnxConfig,
+)
 from optimum.exporters.tasks import TasksManager
 from optimum.utils import DEFAULT_DUMMY_SHAPES
 from optimum.utils.input_generators import (
@@ -510,3 +518,59 @@ class FalconOpenVINOConfig(FalconOnnxConfig):
         OVFalconDummyPastKeyValuesGenerator,
     ) + TextDecoderOnnxConfig.DUMMY_INPUT_GENERATOR_CLASSES
     DUMMY_PKV_GENERATOR_CLASS = OVFalconDummyPastKeyValuesGenerator
+
+
+@register_in_tasks_manager("unet", *["semantic-segmentation"], library_name="diffusers")
+class UNetOpenVINOConfig(UNetOnnxConfig):
+    @property
+    def inputs(self) -> Dict[str, Dict[int, str]]:
+        common_inputs = {
+            "sample": {0: "batch_size", 2: "height", 3: "width"},
+            "timestep": {0: "steps"},
+            "encoder_hidden_states": {0: "batch_size", 1: "sequence_length"},
+        }
+
+        # TODO : add text_image, image and image_embeds
+        if getattr(self._normalized_config, "addition_embed_type", None) == "text_time":
+            common_inputs["text_embeds"] = {0: "batch_size"}
+            common_inputs["time_ids"] = {0: "batch_size"}
+
+        if getattr(self._normalized_config, "time_cond_proj_dim", None) is not None:
+            common_inputs["timestep_cond"] = {0: "batch_size"}
+        return common_inputs
+
+    @property
+    def outputs(self) -> Dict[str, Dict[int, str]]:
+        return {
+            "out_sample": {0: "batch_size", 2: "height", 3: "width"},
+        }
+
+
+@register_in_tasks_manager("vae-encoder", *["semantic-segmentation"], library_name="diffusers")
+class VaeEncoderOpenVINOConfig(VaeEncoderOnnxConfig):
+    @property
+    def inputs(self) -> Dict[str, Dict[int, str]]:
+        return {
+            "sample": {0: "batch_size", 2: "height", 3: "width"},
+        }
+
+    @property
+    def outputs(self) -> Dict[str, Dict[int, str]]:
+        return {
+            "latent_sample": {0: "batch_size", 2: "height_latent", 3: "width_latent"},
+        }
+
+
+@register_in_tasks_manager("vae-decoder", *["semantic-segmentation"], library_name="diffusers")
+class VaeDecoderOpenVINOConfig(VaeDecoderOnnxConfig):
+    @property
+    def inputs(self) -> Dict[str, Dict[int, str]]:
+        return {
+            "latent_sample": {0: "batch_size", 2: "height_latent", 3: "width_latent"},
+        }
+
+    @property
+    def outputs(self) -> Dict[str, Dict[int, str]]:
+        return {
+            "sample": {0: "batch_size", 2: "height", 3: "width"},
+        }
diff --git a/setup.py b/setup.py
index 0011cbe8ed..251ec61cdd 100644
--- a/setup.py
+++ b/setup.py
@@ -38,7 +38,7 @@
 
 TESTS_REQUIRE = [
     "accelerate",
-    "pytest",
+    "pytest<8.2",
     "parameterized",
     "Pillow",
     "evaluate",