diff --git a/requirements/base.txt b/requirements/base.txt
index 310d5213..063bc156 100644
--- a/requirements/base.txt
+++ b/requirements/base.txt
@@ -48,7 +48,7 @@ ptyprocess==0.6.0
 Pygments==2.3.1
 pyparsing==2.2.0
 pytz==2017.3
-PyYAML==3.13
+PyYAML==5.4
 redis==2.10.6
 regex==2017.12.12
 requests==2.18.4