diff --git a/README.md b/README.md
index bc81a576..97cf4556 100644
--- a/README.md
+++ b/README.md
@@ -10,6 +10,7 @@ TensorFlow implementation of the algorithm in the paper [Age Progression/Regress
 ## Pre-requisites
 * Python 2.7x
 * Scipy 1.0.0
+* Pillow
 * ~~TensorFlow (r0.12)~~
     * ~~Please note that you will get errors if running with TensorFlow r1.0 because the definition of input arguments of some functions have changed, *e.g.*, `tf.concat` and `tf.nn.sigmoid_cross_entropy_with_logits`.~~ 
     
diff --git a/ops.py b/ops.py
index 550c1ad4..960f4238 100644
--- a/ops.py
+++ b/ops.py
@@ -1,7 +1,7 @@
 from __future__ import division
 import tensorflow as tf
 import numpy as np
-from scipy.misc import imread, imresize, imsave
+from scipy.misc.pilutil import imread, imresize, imsave
 
 
 def conv2d(input_map, num_output_channels, size_kernel=5, stride=2, name='conv2d'):