diff --git a/setup.py b/setup.py
index 46fd35a11..99325b0f4 100644
--- a/setup.py
+++ b/setup.py
@@ -107,7 +107,7 @@
         "scipy>=1.2",
         "statsmodels>=0.12.1",  # indirect dependency through https://plotly.com/python/linear-fits/
         "xtgeo>=2.20.0",
-        "vtk>=9.2.2,<9.3",
+        "vtk>=9.2.2",
         "webviz-config",
         "webviz-core-components>=0.6",
         "webviz-subsurface-components==1.0.2",
diff --git a/webviz_subsurface/_providers/ensemble_grid_provider/_xtgeo_to_vtk_explicit_structured_grid.py b/webviz_subsurface/_providers/ensemble_grid_provider/_xtgeo_to_vtk_explicit_structured_grid.py
index 6118516ac..b723de6d3 100644
--- a/webviz_subsurface/_providers/ensemble_grid_provider/_xtgeo_to_vtk_explicit_structured_grid.py
+++ b/webviz_subsurface/_providers/ensemble_grid_provider/_xtgeo_to_vtk_explicit_structured_grid.py
@@ -75,7 +75,7 @@ def _create_vtk_esgrid_from_verts_and_conn(
     vtk_cell_array.SetData(8, conn_idarr)
 
     vtk_esgrid = vtkExplicitStructuredGrid()
-    vtk_esgrid.SetDimensions(point_dims)
+    vtk_esgrid.SetDimensions(point_dims.tolist())
     vtk_esgrid.SetPoints(vtk_points)
     vtk_esgrid.SetCells(vtk_cell_array)
 
diff --git a/webviz_subsurface/_providers/ensemble_grid_provider/grid_viz_service.py b/webviz_subsurface/_providers/ensemble_grid_provider/grid_viz_service.py
index 9656c8626..cbe75d2c2 100644
--- a/webviz_subsurface/_providers/ensemble_grid_provider/grid_viz_service.py
+++ b/webviz_subsurface/_providers/ensemble_grid_provider/grid_viz_service.py
@@ -365,15 +365,15 @@ def cut_along_polyline(
 
             plane = vtkPlane()
             plane.SetOrigin([x_0, y_0, 0])
-            plane.SetNormal(right_vec)
+            plane.SetNormal(right_vec.tolist())
 
             plane_0 = vtkPlane()
             plane_0.SetOrigin([x_0, y_0, 0])
-            plane_0.SetNormal(fwd_vec)
+            plane_0.SetNormal(fwd_vec.tolist())
 
             plane_1 = vtkPlane()
             plane_1.SetOrigin([x_1, y_1, 0])
-            plane_1.SetNormal(-fwd_vec)
+            plane_1.SetNormal((-fwd_vec).tolist())
 
             cutter_alg.SetPlane(plane)
             cutter_alg.Update()
@@ -478,7 +478,7 @@ def ray_pick(
         i_ref = reference(0)
         j_ref = reference(0)
         k_ref = reference(0)
-        grid.ComputeCellStructuredCoords(cell_id, i_ref, j_ref, k_ref, True)
+        grid.ComputeCellStructuredCoords(cell_id, i_ref, j_ref, k_ref, True)  # type: ignore[arg-type]
 
         cell_property_val: Optional[np.ndarray] = None
         if property_spec:
@@ -497,9 +497,9 @@ def ray_pick(
 
         return PickResult(
             cell_index=original_cell_id,
-            cell_i=i_ref.get(),
-            cell_j=j_ref.get(),
-            cell_k=k_ref.get(),
+            cell_i=i_ref.get(),  # type: ignore[arg-type, misc]
+            cell_j=j_ref.get(),  # type: ignore[arg-type, misc]
+            cell_k=k_ref.get(),  # type: ignore[arg-type, misc]
             intersection_point=isect_pt,
             cell_property_value=cell_property_val,
         )