diff --git a/requirements.txt b/requirements.txt
index 1e434db..77a99f3 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -13,7 +13,7 @@ jmespath==0.9.3
 MarkupSafe==1.0
 pathspec==0.5.5
 python-dateutil==2.6.1
-PyYAML==3.12
+PyYAML==5.1
 requests==2.9.1
 semantic-version==2.5.0
 six==1.11.0