diff --git a/requirements.txt b/requirements.txt
index 85dc021..fd1ad9a 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -30,7 +30,7 @@ pycparser==2.19
 pyparsing==2.4.2
 python-dateutil==2.8.0
 pytz==2019.3
-PyYAML==5.1.2
+PyYAML==5.4
 resampy==0.2.2
 scikit-learn==0.21.3
 scipy==1.3.1