diff --git a/requirements/ipython.txt b/requirements/ipython.txt
index 431f6bedcd..ed28df6318 100644
--- a/requirements/ipython.txt
+++ b/requirements/ipython.txt
@@ -6,7 +6,7 @@ ipython-genutils==0.1.0
 pathlib2==2.1.0
 pexpect==4.2.1
 pickleshare==0.7.4
-prompt_toolkit==1.0.8
+prompt_toolkit==1.0.9
 ptyprocess==0.5.1
 simplegeneric==0.8.1
 traitlets==4.3.1