diff --git a/python/setup.py b/python/setup.py
index 360918b38..c13ddbae0 100644
--- a/python/setup.py
+++ b/python/setup.py
@@ -21,7 +21,7 @@ setuptools.setup(
         "h5py",
         "vtk",
         "matplotlib",
-        "PIL",
+        "pillow",
     ],
     classifiers = [
         "Intended Audience :: Science/Research",