diff --git a/requirements.txt b/requirements.txt
index e13bf97..7814586 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -60,7 +60,7 @@ python-dateutil==2.8.1
 pytz==2020.1
 pywin32==227
 pywinpty==0.5.7
-PyYAML==5.3.1
+PyYAML==5.4
 pyzmq==19.0.1
 qtconsole==4.7.4
 QtPy==1.9.0