diff --git a/requirements.txt b/requirements.txt
index 9f8a8dd..483de4c 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -67,7 +67,7 @@ pyparsing==2.2.0
 python-apt==1.1.0b1+ubuntu0.16.4.1
 python-dateutil==2.7.2
 pytz==2018.4
-PyYAML==3.13
+PyYAML==5.4
 pyzmq==17.0.0
 qtconsole==4.3.1
 requests==2.19.1