diff --git a/requirements.txt b/requirements.txt
index 9d99d37..297ea6b 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -35,7 +35,7 @@ PyPDF2==1.26.0
 Pyphen==0.9.5
 python-dateutil==2.8.0
 pytz==2019.1
-PyYAML==3.13
+PyYAML==5.1
 reportlab==3.5.26
 requests==2.20.1
 rsa==3.4.2