diff --git a/requirements.txt b/requirements.txt
index 6f40237..2181859 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -30,7 +30,7 @@ PyDispatcher==2.0.5
 PyHamcrest==2.0.2
 pyOpenSSL==19.1.0
 python-dateutil==2.8.1
-PyYAML==5.3.1
+PyYAML==5.4
 queuelib==1.5.0
 regex==2020.6.8
 requests==2.24.0