diff --git a/requirements.txt b/requirements.txt
index 1dc8b4d..867dc78 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -82,7 +82,7 @@ python-dateutil==2.6.1
 pytz==2018.5
 PyWavelets==1.0.1
 pyxdg==0.25
-PyYAML==3.12
+PyYAML==5.4
 pyzmq==16.0.2
 regex==2017.12.12
 repoze.lru==0.7