diff --git a/2019/requirements.txt b/2019/requirements.txt
index 5690137..11d5caa 100644
--- a/2019/requirements.txt
+++ b/2019/requirements.txt
@@ -1,4 +1,4 @@
-ipython==7.9.0
+ipython==7.16.3
 networkx==2.4
 numpy==1.17.4
 parse==1.12.1