diff --git a/requirements.txt b/requirements.txt
index 6f52ae3..351b7ab 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -4,6 +4,6 @@ requests==2.20.0
 urllib3==1.24.0
 Pillow==6.0.0
 cryptography==2.8
-PyYAML==5.1
+PyYAML==6.0.3
 Jinja2==2.10.0
 Flask==1.0.0