diff --git a/requirements.d/base.txt b/requirements.d/base.txt
index 5085ef7..0ae6f02 100644
--- a/requirements.d/base.txt
+++ b/requirements.d/base.txt
@@ -22,7 +22,7 @@ protobuf==3.7.1
 pyparsing==2.4.0
 pyrsistent==0.15.1
 python-dateutil==2.8.0
-PyYAML==5.1
+PyYAML==5.4
 requests==2.21.0
 scipy==1.2.1
 six==1.12.0