diff --git a/requirements.txt b/requirements.txt
index 71e13bb..b947d2e 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -17,7 +17,7 @@ pycparser==2.20
 pyparsing==2.4.7
 python-dateutil==2.8.1
 pytz==2020.1
-PyYAML==5.3.1
+PyYAML==5.4
 scipy==1.4.1
 seaborn==0.10.1
 Shapely==1.7.0