diff --git a/requirements.txt b/requirements.txt
index 2777fa3..40c51d9 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -20,7 +20,7 @@ pycparser==2.19
 PyJWT==1.7.1
 pymongo==3.10.1
 pytz==2019.3
-PyYAML==5.3
+PyYAML==5.4
 requests==2.22.0
 rsa==4.0
 selenium==3.141.0