diff --git a/requirements.txt b/requirements.txt
index 1761b8e..ec9ead6 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -23,7 +23,7 @@ msgpack==0.6.0
 msgpack-numpy==0.4.3.2
 msgpack-python==0.5.6
 nltk==3.3
-notebook==5.5.0
+notebook==6.1.5
 numpy==1.15.4
 opencv-python==3.4.2.17
 packaging==17.1