diff --git a/requirements.txt b/requirements.txt
index aeb2846..bc23f51 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -20,7 +20,7 @@ pandas==1.0.1
 protobuf==3.15.0
 python-dateutil==2.8.1
 pytz==2019.3
-PyYAML==5.3
+PyYAML==5.4
 pip==20.2.2
 scipy==1.4.1
 six==1.14.0