diff --git a/requirements.txt b/requirements.txt
index c77c820..d6075be 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,5 +1,5 @@
 cuisine==0.6.5
-PyYAML==3.10
+PyYAML==5.4
 python-keystoneclient==0.3.2
 MySQL-python==1.2.4
 pika==0.9.13