diff --git a/python-requirements/notebook-requirements.txt b/python-requirements/notebook-requirements.txt
index 9be7bf1..4484c22 100644
--- a/python-requirements/notebook-requirements.txt
+++ b/python-requirements/notebook-requirements.txt
@@ -1,6 +1,6 @@
 ipython==5.4.1
 traitlets==4.3.2
-pexpect==4.3.1
+pexpect==4.6.0
 backports.shutil-get-terminal-size==1.0.0
 pickleshare==0.7.4
 simplegeneric==0.8.1