diff --git a/requirements.txt b/requirements.txt
index c50debc..7732548 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -33,7 +33,7 @@ pytest==3.6.2
 python-box==3.2.0
 python-dateutil==2.7.3
 python-dotenv==0.8.2
-PyYAML==3.13
+PyYAML==5.4
 requests==2.19.1
 requests-oauthlib==1.0.0
 scipy==1.4.1