diff --git a/requirements.txt b/requirements.txt
index 73c13a9..33d20a1 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -5,4 +5,4 @@ librosa==0.5.1
 tqdm==4.19.4
 config==0.3.9
 scikit_learn==0.19.1
-PyYAML==5.1
+PyYAML==5.4