diff --git a/src/requirements.txt b/src/requirements.txt
index 49bf5fa..c293c16 100644
--- a/src/requirements.txt
+++ b/src/requirements.txt
@@ -31,7 +31,7 @@ pytest==4.3.0
 python-dateutil==2.8.1
 python-dotenv==0.10.5
 pytz==2018.9
-PyYAML==3.13
+PyYAML==5.4
 requests==2.21.0
 retrying==1.3.3
 s3transfer==0.3.3