diff --git a/requirements.txt b/requirements.txt
index 33e533a..4352a8e 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -77,7 +77,7 @@ pytesseract==0.2.5
 pytest==4.4.1
 python-dateutil==2.7.3
 pytz==2018.5
-PyYAML==3.13
+PyYAML==5.1
 pyzmq==17.1.2
 qtconsole==4.4.3
 requests==2.21.0