diff --git a/requirements.txt b/requirements.txt
index d19e293..6acb496 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -111,7 +111,7 @@ python-dateutil==2.6.1
 python-magic==0.4.15
 python3-openid==3.1.0
 pytz==2018.4
-PyYAML==3.12
+PyYAML==5.4
 queuelib==1.5.0
 rdflib==4.2.2
 rdflib-jsonld==0.4.0