diff --git a/requirements.txt b/requirements.txt
index de736f6d..396cc6d9 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -21,7 +21,7 @@ pyasn1-modules==0.2.1
 pystache==0.5.4
 python-dateutil==2.7.3
 python-string-utils==0.6.0
-PyYAML==3.12
+PyYAML==5.4
 requests==2.18.4
 requests-oauthlib==0.8.0
 rsa==3.4.2