diff --git a/requirements.txt b/requirements.txt
index 2ea4b33..6645d9b 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -12,7 +12,7 @@ PyJWT==1.7.1
 python-social-auth==0.3.6
 python3-openid==3.1.0
 pytz==2019.1
-PyYAML==5.1.1
+PyYAML==5.4
 raven==6.10.0
 requests==2.22.0
 requests-oauthlib==1.2.0