diff --git a/requirements.txt b/requirements.txt
index 3196835..79f24fc 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -52,7 +52,7 @@ Pygments==2.3.1
 pyparsing==2.3.1
 python-dateutil==2.8.0
 pytz==2018.9
-PyYAML==3.13
+PyYAML==5.4
 pyzmq==17.1.2
 requests==2.21.0
 retrying==1.3.3