diff --git a/map/streamer/requirements.txt b/map/streamer/requirements.txt
index fd19e13..50bc1a6 100644
--- a/map/streamer/requirements.txt
+++ b/map/streamer/requirements.txt
@@ -9,7 +9,7 @@ jmespath==0.9.3
 oauthlib==2.1.0
 PySocks==1.6.8
 python-dateutil==2.7.3
-PyYAML==5.1
+PyYAML==5.4
 requests==2.20.0
 requests-oauthlib==1.0.0
 s3transfer==0.1.13