diff --git a/requirements.txt b/requirements.txt
index 5ae4f36..ce436ff 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -41,7 +41,7 @@ jsonschema==2.6.0
 jupyter==1.0.0
 jupyter-client==5.2.3
 jupyter-console==5.2.0
-jupyter-core==4.4.0
+jupyter-core==4.11.2
 Keras==2.1.5
 keyboard==0.11.0
 kiwisolver==1.0.1