diff --git a/requirements.txt b/requirements.txt
index 84412031..d9a399c9 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -21,7 +21,7 @@ numpy==1.18.0
 psycopg2==2.8.4
 pyScss==1.3.7
 pytz==2019.3
-PyYAML==5.2
+PyYAML==5.3.1
 redis==3.3.11
 requests==2.23.0
 scipy==1.4.1