diff --git a/requirements.txt b/requirements.txt
index 3710318..539e052 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -33,7 +33,7 @@ PySoundFile==0.9.0.post1
 python-dateutil==2.7.3
 pytz==2018.4
 pyworld==0.2.4
-PyYAML==3.12
+PyYAML==5.1
 resampy==0.2.0
 scikit-learn==0.19.1
 scipy==1.1.0
diff --git a/setup.py b/setup.py
index 0992d7e..6f3acc3 100644
--- a/setup.py
+++ b/setup.py
@@ -50,7 +50,7 @@ def readme():
         'python-dateutil==2.7.3',
         'pytz==2018.4',
         'pyworld==0.2.4',
-        'PyYAML==3.12',
+        'PyYAML==5.1',
         'resampy==0.2.0',
         'scikit-learn==0.19.1',
         'scipy==1.1.0',