diff --git a/requirements-ipython.txt b/requirements-ipython.txt
index 0e3288d..69d3caa 100644
--- a/requirements-ipython.txt
+++ b/requirements-ipython.txt
@@ -1,6 +1,6 @@
 Jinja2==2.7.3
 MarkupSafe==0.23
-PyYAML==3.11
+PyYAML==5.4
 certifi==14.05.14
 ipython==2.3.1
 pyzmq==14.4.1