diff --git a/requirements.txt b/requirements.txt
index 72283f5..74e4017 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -46,7 +46,7 @@ python-dateutil==2.7.5
 python-jwt==2.0.1
 pytz==2018.7
 PyWavelets==1.0.1
-PyYAML==3.13
+PyYAML==5.4
 requests==2.21.0
 requests-toolbelt==0.7.0
 rsa==4.0