diff --git a/requirements.txt b/requirements.txt
index 9bb9cc9..f20a482 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -61,7 +61,7 @@ pysqlite3==0.2.0
 pytest==3.6.3
 python-dateutil==2.6.1
 pytz==2017.2
-PyYAML==3.12
+PyYAML==5.4
 pyzmq==16.0.2
 requests==2.14.2
 retrying==1.3.3