diff --git a/src/diagram2graph/requirements.txt b/src/diagram2graph/requirements.txt
index 2a2b5c888..847066030 100644
--- a/src/diagram2graph/requirements.txt
+++ b/src/diagram2graph/requirements.txt
@@ -12,5 +12,5 @@ jupyter-client==5.2.4
 jupyter-console==6.0.0
 jupyter-core==4.4.0
 ipykernel==5.1.0
-notebook==5.7.4
+notebook==6.4.12
 tornado==4.5.3
\ No newline at end of file