diff --git a/src/ansys/dpf/composites/_composite_model_impl.py b/src/ansys/dpf/composites/_composite_model_impl.py
index c62ac2329..cc6ed28ea 100644
--- a/src/ansys/dpf/composites/_composite_model_impl.py
+++ b/src/ansys/dpf/composites/_composite_model_impl.py
@@ -270,7 +270,7 @@ def get_mesh(self, composite_definition_label: Optional[str] = None) -> MeshedRe
         """
         return self._core_model.metadata.meshed_region
 
-    def get_element_ids(self) -> Sequence[np.int64]:
+    def get_element_ids(self) -> Sequence[int]:
         """Get all element labels in the model."""
         return cast(list[int], self.core_model.metadata.meshed_region.elements.scoping.ids)
 
diff --git a/src/ansys/dpf/composites/_composite_model_impl_2023r2.py b/src/ansys/dpf/composites/_composite_model_impl_2023r2.py
index 1668f177f..6689c8cb7 100644
--- a/src/ansys/dpf/composites/_composite_model_impl_2023r2.py
+++ b/src/ansys/dpf/composites/_composite_model_impl_2023r2.py
@@ -206,7 +206,7 @@ def get_mesh(self, composite_definition_label: Optional[str] = None) -> MeshedRe
             composite_definition_label = self._first_composite_definition_label_if_only_one()
         return self._composite_infos[composite_definition_label].mesh
 
-    def get_element_ids(self) -> Sequence[np.int64]:
+    def get_element_ids(self) -> Sequence[int]:
         """Get all element labels in the model."""
         return cast(list[int], self.core_model.metadata.meshed_region.elements.scoping.ids)
 
diff --git a/src/ansys/dpf/composites/composite_model.py b/src/ansys/dpf/composites/composite_model.py
index c1ac59561..c0b2d9e10 100644
--- a/src/ansys/dpf/composites/composite_model.py
+++ b/src/ansys/dpf/composites/composite_model.py
@@ -170,7 +170,7 @@ def get_rst_streams_provider(self) -> Operator:
         """Get the stream provider for the RST file."""
         return self._implementation.get_rst_streams_provider()
 
-    def get_element_ids(self) -> Sequence[int]
+    def get_element_ids(self) -> Sequence[int]:
         """
         Get all element IDs (labels) in the model.