diff --git a/requirements-gpu.txt b/requirements-gpu.txt
index cfb382e..1fc9100 100644
--- a/requirements-gpu.txt
+++ b/requirements-gpu.txt
@@ -1,5 +1,5 @@
 jupyter==1.0.0
-notebook==6.0.2
+notebook==6.4.12
 numpy==1.17.4
 matplotlib==3.1.1
 tensorflow-gpu>=1.15.2
diff --git a/requirements.txt b/requirements.txt
index ef14e94..0909608 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,5 +1,5 @@
 jupyter==1.0.0
-notebook==6.0.2
+notebook==6.4.12
 numpy==1.17.4
 matplotlib==3.1.1
 tensorflow>=1.15.2