diff --git a/requirements.txt b/requirements.txt
index 8d78305..e5df301 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -67,7 +67,7 @@ python-dateutil==2.7.3    # via botocore, tableschema
 python-dotenv==0.9.1
 python-memcached==1.59
 pytz==2018.5              # via celery
-pyyaml==3.13
+pyyaml==5.1
 raven==6.0.0
 readchar==2.0.1           # via inquirer
 redis==2.10.6             # via datapackage-pipelines, os-api-cache