diff --git a/requirements.txt b/requirements.txt
index 6f83d9e..c72182a 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -33,7 +33,7 @@ py==1.6.0
 Pygments==2.2.0
 pytest==3.8.2
 python-dateutil==2.6.0
-PyYAML==3.13
+PyYAML==5.4
 randomize==0.14
 requests==2.19.1
 simplegeneric==0.8.1