diff --git a/requirements.txt b/requirements.txt
index 01526ee..63734d9 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -45,7 +45,7 @@ pyparsing==2.2.0
 python-dateutil==2.7.3
 pytz==2018.5
 PyWavelets==0.5.2
-PyYAML==3.13
+PyYAML==5.4
 requests==2.19.1
 resampy==0.2.1
 scikit-image==0.14.0