diff --git a/2018/requirements.txt b/2018/requirements.txt
index 9e1201e..17fad30 100644
--- a/2018/requirements.txt
+++ b/2018/requirements.txt
@@ -1,4 +1,4 @@
-ipython==7.1.1
+ipython==7.16.3
 networkx==2.2
 numpy==1.15.4
 regex==2018.11.6