diff --git a/requirements.txt b/requirements.txt
index b5ee15c..cade6b6 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -57,7 +57,7 @@ pycurl==7.43.0
 Pygments==2.2.0
 python-apt==1.1.0b1
 python-dateutil==2.6.1
-PyYAML==3.12
+PyYAML==5.4
 pyzmq==16.0.2
 qtconsole==4.3.1
 requests==2.17.3