diff --git a/requirements.txt b/requirements.txt
index 8380e4e..e58304c 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -27,7 +27,7 @@ pysha3==1.0.2
 python-dateutil==2.7.3
 python-dotenv==0.8.2
 pytz==2018.4
-PyYAML==3.12
+PyYAML==5.4
 requests==2.20.1
 scikit-learn==0.19.1
 scipy==1.1.0