diff --git a/vgg16.ipynb b/vgg16.ipynb
index 8a0de15..ed1b3d6 100644
--- a/vgg16.ipynb
+++ b/vgg16.ipynb
@@ -112,7 +112,7 @@
    },
    "outputs": [],
    "source": [
-    "!pip install pillow"
+    "!pip install -U pillow"
    ]
   },
   {