diff --git a/requirements.txt b/requirements.txt
index ef2aefd..cb8d506 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -5,7 +5,7 @@ chardet==3.0.4
 elasticsearch==6.0.0
 idna==2.6
 python-dateutil==2.6.1
-PyYAML==3.12
+PyYAML==5.4
 requests==2.18.4
 schedule==0.5.0
 six==1.11.0