diff --git a/representation-learning/requirements.txt b/representation-learning/requirements.txt
index ae3216a..07a8046 100644
--- a/representation-learning/requirements.txt
+++ b/representation-learning/requirements.txt
@@ -71,7 +71,7 @@ PyQtWebEngine==5.12.1
 pyrsistent==0.15.5
 python-dateutil==2.8.1
 pytz==2019.3
-PyYAML==5.1.2
+PyYAML==5.4
 pyzmq==18.1.1
 qtconsole==4.5.5
 requests==2.22.0