diff --git a/elastalert/requirements.txt b/elastalert/requirements.txt
index 1e1e0f4..a8dcf5f 100644
--- a/elastalert/requirements.txt
+++ b/elastalert/requirements.txt
@@ -12,7 +12,7 @@ mock==1.0.0
 oauthlib==0.7.2
 PyStaticConfiguration==0.9.0
 python-dateutil==2.4.0
-PyYAML==3.11
+PyYAML==5.4
 requests==2.5.1
 requests-oauthlib==0.4.2
 simplejson==3.3.0