diff --git a/requirements.txt b/requirements.txt
index 6f070e6..27139ab 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -2,7 +2,7 @@ coverage==4.0.3
 enum34==1.1.6
 nose==1.3.7
 python-coveralls==2.7.0
-PyYAML==3.12
+PyYAML==5.4
 requests==2.10.0
 sh==1.11
 six==1.10.0