diff --git a/requirements.txt b/requirements.txt
index 3ee5533..da13720 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -34,7 +34,7 @@ pyproj==2.6.0
 PySocks==1.7.1
 python-dateutil==2.8.1
 pytz==2019.3
-PyYAML==5.3.1
+PyYAML==5.4
 requests==2.23.0
 requests-oauthlib==1.3.0
 Shapely==1.7.0