diff --git a/requirements.txt b/requirements.txt
index 2fab040c8..7a3e441a1 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -10,7 +10,7 @@ pandas==0.20.3
 pkginfo==1.4.1
 python-dateutil==2.6.1
 pytz==2017.2
-PyYAML==3.12
+PyYAML==5.4
 requests==2.18.4
 requests-toolbelt==0.8.0
 six==1.10.0