diff --git a/requirements.txt b/requirements.txt
index 3965520..f642e41 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -52,7 +52,7 @@ Pygments==2.2.0
 Pyphen==0.9.4
 PyRSS2Gen==1.1
 python-dateutil==2.7.3
-PyYAML==5.1
+PyYAML==5.4
 pyzmq==17.1.2
 requests==2.20.0
 Send2Trash==1.5.0