diff --git a/requirements.txt b/requirements.txt
index 1890db1..942e759 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -21,7 +21,7 @@ py==1.8.1
 pyparsing==2.4.7
 pyrsistent==0.16.0
 pytest==5.4.1
-PyYAML==5.3.1
+PyYAML==5.4
 regex==2020.4.4
 requests==2.23.0
 six==1.14.0