diff --git a/audio/requirements.txt b/audio/requirements.txt
index 388ef14..0efd28c 100644
--- a/audio/requirements.txt
+++ b/audio/requirements.txt
@@ -48,7 +48,7 @@ pyparsing==2.4.7
 pyserial==3.4
 python-dateutil==2.8.1
 pytorch-nemo==0.0.5
-PyYAML==5.3.1
+PyYAML==5.4
 requests==2.23.0
 requests-oauthlib==1.3.0
 resampy==0.2.2