diff --git a/requirements.txt b/requirements.txt
index 532f8b3..dcca4c3 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -13,7 +13,7 @@ geojson==2.5.0
 numpy==1.18.5
 psycopg2==2.8.4
 pytz==2019.3
-PyYAML==5.3
+PyYAML==5.4
 reverse-geocoder==1.5.1
 scipy==1.4.1
 screen==1.0.1