diff --git a/requirement.txt b/requirement.txt
index e55e27f..36ab109 100644
--- a/requirement.txt
+++ b/requirement.txt
@@ -41,7 +41,7 @@ mistune==0.8.3
 mock==2.0.0
 nbconvert==5.3.1
 nbformat==4.4.0
-notebook==5.6.0
+notebook==6.1.5
 numpy==1.15.0
 opencv-python==3.4.2.17
 pandocfilters==1.4.2