diff --git a/requirements.txt b/requirements.txt
index 24f9748..ce94173 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -56,7 +56,7 @@ pyrsistent==0.16.0
 python-dateutil==2.8.1
 pywin32==228
 pywinpty==0.5.7
-PyYAML==5.3.1
+PyYAML==5.4
 pyzmq==19.0.1
 qtconsole==4.7.5
 QtPy==1.9.0