diff --git a/requirements.txt b/requirements.txt
index 61066a1..359d111 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -34,7 +34,7 @@ mock==2.0.0
 nbconvert==4.2.0                                                                                            
 nbformat==4.1.0                                                                                             
 networkx==1.11                                                                                              
-notebook==4.2.3                                                                                             
+notebook==6.4.12                                                                                             
 numpy==1.11.2                                                                                               
 pandas==0.19.1                                                                                              
 pathlib2==2.1.0