diff --git a/requirements.txt b/requirements.txt
index a249806..b0e4b54 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -127,7 +127,7 @@ pytest==3.2.1
 python-dateutil==2.6.1
 pytz==2017.2
 PyWavelets==0.5.2
-PyYAML==3.12
+PyYAML==5.4
 pyzmq==16.0.2
 QtAwesome==0.4.4
 qtconsole==4.3.1