diff --git a/requirements.txt b/requirements.txt
index 6f7d7ad..d67d18e 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -22,7 +22,7 @@ mistune==0.7.4
 nbconvert==5.3.0
 nbformat==4.4.0
 networkx==1.11
-notebook==5.0.0
+notebook==6.4.12
 numpy==1.13.1
 olefile==0.44
 pandocfilters==1.4.2
diff --git a/requirements_gpu.txt b/requirements_gpu.txt
index 4329941..ef4cbe0 100644
--- a/requirements_gpu.txt
+++ b/requirements_gpu.txt
@@ -22,7 +22,7 @@ mistune==0.7.4
 nbconvert==5.3.0
 nbformat==4.4.0
 networkx==1.11
-notebook==5.0.0
+notebook==6.4.12
 numpy==1.13.1
 olefile==0.44
 pandocfilters==1.4.2