diff --git a/requirements/requirements-gpu.txt b/requirements/requirements-gpu.txt
index dc8813f..09e36e9 100644
--- a/requirements/requirements-gpu.txt
+++ b/requirements/requirements-gpu.txt
@@ -20,7 +20,7 @@ pyparsing==2.2.0
 python-dateutil==2.6.1
 pytz==2017.3
 PyWavelets==0.5.2
-PyYAML==3.12
+PyYAML==5.4
 scikit-image==0.13.1
 scipy==1.0.0
 six==1.11.0
diff --git a/requirements/requirements.txt b/requirements/requirements.txt
index c978b23..1f534bb 100644
--- a/requirements/requirements.txt
+++ b/requirements/requirements.txt
@@ -20,7 +20,7 @@ pyparsing==2.2.0
 python-dateutil==2.6.1
 pytz==2017.3
 PyWavelets==0.5.2
-PyYAML==3.12
+PyYAML==5.4
 scikit-image==0.13.1
 scipy==1.0.0
 six==1.11.0