diff --git a/requirements.txt b/requirements.txt
index 5cc131f..bc60a73 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -14,7 +14,7 @@ pyasn1-modules==0.2.1
 Pykka==1.2.1
 python-dateutil==2.7.2
 pytz==2018.4
-PyYAML==3.12
+PyYAML==5.4
 requests==2.18.4
 requests-oauthlib==0.8.0
 rsa==3.4.2