diff --git a/requirements.txt b/requirements.txt
index 071757a..6a45042 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -14,7 +14,7 @@ PyMySQL==0.9.3
 pyproj==2.6.0
 python-dateutil==2.8.1
 pytz==2019.3
-PyYAML==5.3
+PyYAML==5.4
 scipy==1.4.1
 Shapely==1.7.0
 six==1.14.0