diff --git a/requirements.txt b/requirements.txt
index 2d59fea..1c4bf72 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -4,7 +4,7 @@ elasticsearch==1.3.0
 iso8601==0.1.11
 python-dateutil==2.4.0
 pytz==2014.10
-PyYAML==3.11
+PyYAML==5.4
 requests[security]==2.12.4
 simplejson==3.10.0
 urllib3==1.10.3