diff --git a/requirements.txt b/requirements.txt
index 8a77662..c128e8d 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,4 +1,4 @@
-PyYAML==5.1
+PyYAML==5.2
 pytest==5.2.2
 mock>=2.0.0
 pyqrllib>=0.9.0,<0.10.0