diff --git a/requirements.txt b/requirements.txt
index 7e384e8..d9ca2d1 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -37,7 +37,7 @@ mistune==0.8.4
 more-itertools==5.0.0
 nbconvert==5.4.0
 nbformat==4.4.0
-notebook==5.7.4
+notebook==6.4.12
 numpy==1.16.1
 pandocfilters==1.4.2
 parso==0.3.3
diff --git a/unity/requirements.txt b/unity/requirements.txt
index 23dd937..73bf354 100644
--- a/unity/requirements.txt
+++ b/unity/requirements.txt
@@ -32,7 +32,7 @@ mistune==0.8.4
 more-itertools==5.0.0
 nbconvert==5.4.1
 nbformat==4.4.0
-notebook==5.7.4
+notebook==6.4.12
 numpy==1.16.1
 pandocfilters==1.4.2
 parso==0.3.3