diff --git a/requirements.txt b/requirements.txt
index 34555c913ea20..deb7424d3366c 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,6 +1,6 @@
 ansible==2.3.1.0
 munch==2.2.0
-PyYAML==3.12
+PyYAML>=4.2b1
 requests==2.20.0
 pytest===3.2.2
 selenium==3.5.0