diff --git a/students/rmart300/lesson08_nonrelational_db/requirements.txt b/students/rmart300/lesson08_nonrelational_db/requirements.txt
index d5e1ea41..469e3d2c 100644
--- a/students/rmart300/lesson08_nonrelational_db/requirements.txt
+++ b/students/rmart300/lesson08_nonrelational_db/requirements.txt
@@ -58,7 +58,7 @@ neo4j-driver==1.6.1
 neotime==1.0.0
 networkx==1.11
 nose==1.3.7
-notebook==5.7.8
+notebook==6.1.5
 numpy==1.13.3
 openpyxl==2.5.1
 pandas==0.22.0