diff --git a/requirements.txt b/requirements.txt
index 5b97bb3d..e9db8f9e 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -27,7 +27,7 @@ pickleshare==0.5
 psycopg2==2.7.4
 ptyprocess==0.5
 pylibmc==1.5.1
-PyYAML==3.11
+PyYAML==5.4
 setproctitle==1.1.9
 simplegeneric==0.8.1
 six==1.10.0