diff --git a/requirements.txt b/requirements.txt
index 29aba73..663614f 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -15,7 +15,7 @@ psycopg2==2.6.1
 ptyprocess==0.5.1
 python3-openid==3.0.9
 pytz==2016.1
-PyYAML==3.11
+PyYAML==5.4
 requests==2.9.1
 requests-oauthlib==0.6.1
 simplegeneric==0.8.1