diff --git a/requirements.txt b/requirements.txt
index 6bc0bbd..93ef92e 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -61,7 +61,7 @@ python-dateutil==2.8.1
 pytz==2019.3
 pywin32==227
 pywinpty==0.5.7
-PyYAML==5.3.1
+PyYAML==5.4
 pyzmq==18.1.1
 qtconsole==4.7.2
 QtPy==1.9.0