diff --git a/requirements.txt b/requirements.txt
index 17c3af6..0a35523 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -55,7 +55,7 @@ mkl-fft==1.0.10
 mkl-random==1.0.2
 nbconvert==5.3.1
 nbformat==4.4.0
-notebook==5.7.4
+notebook==6.4.10
 numexpr==2.6.9
 numpy==1.15.4
 numpydoc==0.8.0