diff --git a/setup.py b/setup.py
index a412ff7..2b6199c 100644
--- a/setup.py
+++ b/setup.py
@@ -18,7 +18,7 @@
     install_requires=['numpy>=2.1.1',
                       'matplotlib>=3.9.2',
                       'pandas>=2.2.2',
-                      'vtk',
+                      'vtk>=9.3.0',
                       'pyvista>=0.44.1',
                       'imageio>=2.35.1'
                       ],