diff --git a/requirements_novenv.txt b/requirements_novenv.txt
index 6df27b6..18c4d58 100644
--- a/requirements_novenv.txt
+++ b/requirements_novenv.txt
@@ -125,7 +125,7 @@ MySQL-python==1.2.5
 # nb-anacondacloud==1.2.0
 # nb-conda==2.0.0
 # nb-conda-kernels==2.0.0
-nbconvert==5.2.1
+nbconvert==6.3.0
 nbformat==4.3.0
 # nbpresent==3.0.2
 networkx==1.11