diff --git a/docker/ml-gpu.yml b/docker/ml-gpu.yml
index 5a3bfbda5e..b38fffe373 100644
--- a/docker/ml-gpu.yml
+++ b/docker/ml-gpu.yml
@@ -22,7 +22,7 @@ services:
     # https://github.com/triton-inference-server/server/blob/main/docs/user_guide/model_management.md
     # for more information
     entrypoint: "/opt/nvidia/nvidia_entrypoint.sh tritonserver --model-repository=/models --model-control-mode=explicit --load-model=*"
-    mem_limit: 20g
+    mem_limit: 30g
     runtime: nvidia
     deploy:
       resources:
diff --git a/docker/ml.yml b/docker/ml.yml
index c348138b70..3537e2c520 100644
--- a/docker/ml.yml
+++ b/docker/ml.yml
@@ -14,7 +14,7 @@ services:
     # https://github.com/triton-inference-server/server/blob/main/docs/user_guide/model_management.md
     # for more information
     entrypoint: "tritonserver --model-repository=/models --model-control-mode=explicit --load-model=*"
-    mem_limit: 20g
+    mem_limit: 30g
 
   fasttext:
     restart: $RESTART_POLICY
diff --git a/robotoff/cli/main.py b/robotoff/cli/main.py
index 7db5bcb579..d4d1f4d599 100644
--- a/robotoff/cli/main.py
+++ b/robotoff/cli/main.py
@@ -670,6 +670,9 @@ def run_nutrition_extraction(
         None,
         help="URI of the Triton Inference Server to use. If not provided, the default value from settings is used.",
     ),
+    model_version: Optional[str] = typer.Option(
+        None, help="Version of the model to use, defaults to the latest"
+    ),
 ) -> None:
     """Run nutrition extraction on a product image.
 
@@ -693,7 +696,9 @@ def run_nutrition_extraction(
 
     image = cast(Image.Image, get_image_from_url(image_url))
     ocr_result = cast(OCRResult, OCRResult.from_url(image_url.replace(".jpg", ".json")))
-    prediction = predict(image, ocr_result, triton_uri=triton_uri)
+    prediction = predict(
+        image, ocr_result, model_version=model_version, triton_uri=triton_uri
+    )
     if prediction is not None:
         pprint(prediction)
     else:
diff --git a/robotoff/prediction/nutrition_extraction.py b/robotoff/prediction/nutrition_extraction.py
index 1cc099ceba..1ff628e3b4 100644
--- a/robotoff/prediction/nutrition_extraction.py
+++ b/robotoff/prediction/nutrition_extraction.py
@@ -60,7 +60,7 @@ class NutritionExtractionPrediction:
 def predict(
     image: Image.Image,
     ocr_result: OCRResult,
-    model_version: str = "1",
+    model_version: str | None = None,
     triton_uri: str | None = None,
 ) -> NutritionExtractionPrediction | None:
     """Predict the nutrient values from an image and an OCR result.
@@ -77,7 +77,7 @@ def predict(
 
     :param image: the *original* image (not resized)
     :param ocr_result: the OCR result
-    :param model_version: the version of the model to use, defaults to "1"
+    :param model_version: the version of the model to use, defaults to None (latest)
     :param triton_uri: the URI of the Triton Inference Server, if not provided, the
         default value from settings is used
     :return: a `NutritionExtractionPrediction` object
@@ -619,7 +619,7 @@ def send_infer_request(
     pixel_values: np.ndarray,
     model_name: str,
     triton_stub: GRPCInferenceServiceStub,
-    model_version: str = "1",
+    model_version: str | None = None,
 ) -> np.ndarray:
     """Send a NER infer request to the Triton inference server.
 
@@ -634,7 +634,7 @@ def send_infer_request(
     :param pixel_values: pixel values of the image, generated using the
         transformers tokenizer.
     :param model_name: the name of the model to use
-    :param model_version: version of the model model to use, defaults to "1"
+    :param model_version: version of the model model to use, defaults to None (latest).
     :return: the predicted logits
     """
     request = build_triton_request(
@@ -660,7 +660,7 @@ def build_triton_request(
     bbox: np.ndarray,
     pixel_values: np.ndarray,
     model_name: str,
-    model_version: str = "1",
+    model_version: str | None = None,
 ):
     """Build a Triton ModelInferRequest gRPC request for LayoutLMv3 models.
 
@@ -672,12 +672,14 @@ def build_triton_request(
     :param pixel_values: pixel values of the image, generated using the
         transformers tokenizer.
     :param model_name: the name of the model to use.
-    :param model_version: version of the model model to use, defaults to "1".
+    :param model_version: version of the model model to use, defaults to None (latest).
     :return: the gRPC ModelInferRequest
     """
     request = service_pb2.ModelInferRequest()
     request.model_name = model_name
-    request.model_version = model_version
+
+    if model_version:
+        request.model_version = model_version
 
     add_triton_infer_input_tensor(request, "input_ids", input_ids, "INT64")
     add_triton_infer_input_tensor(request, "attention_mask", attention_mask, "INT64")