diff --git a/requirements.txt b/requirements.txt
index 1f81981..f7dfeba 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -24,7 +24,7 @@ MarkupSafe==1.1.1
 pathspec==0.7.0
 python-dateutil==2.8.1
 pytz==2019.3
-PyYAML==5.2
+PyYAML==5.4
 requests==2.22.0
 semantic-version==2.8.4
 six==1.13.0