diff --git a/requirements.txt b/requirements.txt
index 90f4bbe..59f2d9f 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -17,7 +17,7 @@ jedi==0.13.3
 jsonschema==3.0.1
 jupyter-client==5.2.4
 jupyter-console==6.0.0
-jupyter-core==4.4.0
+jupyter-core==4.11.2
 jupyter==1.0.0
 jupyterlab-server==0.2.0
 jupyterlab==0.35.4