diff --git a/requirements.txt b/requirements.txt
index 802c6ee7e..9277e3263 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -11,6 +11,6 @@ oslo.i18n>=3.15.3 # Apache-2.0
 oslo.serialization!=2.19.1,>=2.18.0 # Apache-2.0
 oslo.utils>=3.33.0 # Apache-2.0
 PrettyTable<0.8,>=0.7.1 # BSD
-PyYAML>=3.10 # MIT
+PyYAML>=3.12 # MIT
 requests>=2.14.2 # Apache-2.0
 six>=1.10.0 # MIT