diff --git a/flytekit/core/array_node.py b/flytekit/core/array_node.py
index 466058a791..476c1e0e6f 100644
--- a/flytekit/core/array_node.py
+++ b/flytekit/core/array_node.py
@@ -228,6 +228,10 @@ def execution_mode(self) -> _core_workflow.ArrayNode.ExecutionMode:
     def is_original_sub_node_interface(self) -> bool:
         return True
 
+    @property
+    def bound_inputs(self) -> Set[str]:
+        return set()
+
     def __call__(self, *args, **kwargs):
         if not self._bindings:
             ctx = FlyteContext.current_context()
diff --git a/flytekit/models/core/workflow.py b/flytekit/models/core/workflow.py
index f9ed52e38e..cd4af0c467 100644
--- a/flytekit/models/core/workflow.py
+++ b/flytekit/models/core/workflow.py
@@ -395,6 +395,7 @@ def __init__(
         execution_mode=None,
         is_original_sub_node_interface=False,
         data_mode=None,
+        bound_inputs=None,
     ) -> None:
         """
         TODO: docstring
@@ -407,6 +408,7 @@ def __init__(
         self._execution_mode = execution_mode
         self._is_original_sub_node_interface = is_original_sub_node_interface
         self._data_mode = data_mode
+        self._bound_inputs = bound_inputs
 
     @property
     def node(self) -> "Node":
@@ -421,6 +423,7 @@ def to_flyte_idl(self) -> _core_workflow.ArrayNode:
             execution_mode=self._execution_mode,
             is_original_sub_node_interface=BoolValue(value=self._is_original_sub_node_interface),
             data_mode=self._data_mode,
+            bound_inputs=self._bound_inputs,
         )
 
     @classmethod
diff --git a/flytekit/tools/translator.py b/flytekit/tools/translator.py
index a295f75078..2670f8877c 100644
--- a/flytekit/tools/translator.py
+++ b/flytekit/tools/translator.py
@@ -621,6 +621,7 @@ def get_serializable_array_node(
         execution_mode=array_node.execution_mode,
         is_original_sub_node_interface=array_node.is_original_sub_node_interface,
         data_mode=array_node.data_mode,
+        bound_inputs=array_node.bound_inputs,
     )
 
 
diff --git a/pyproject.toml b/pyproject.toml
index e451a0a0b3..1ca3ad783e 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -20,7 +20,7 @@ dependencies = [
     "diskcache>=5.2.1",
     "docker>=4.0.0",
     "docstring-parser>=0.9.0",
-    "flyteidl>=1.15.0",
+    "flyteidl>=1.15.1",
     "fsspec>=2023.3.0",
     "gcsfs>=2023.3.0",
     "googleapis-common-protos>=1.57",