diff --git a/requirements.txt b/requirements.txt
index 7a474b874..544874b48 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -2,7 +2,7 @@
 # of appearance. Changing the order has an impact on the overall integration
 # process, which may cause wedges in the gate later.
 
-PyYAML>=3.10 # MIT
+PyYAML>=3.12 # MIT
 eventlet!=0.18.3,!=0.20.1,<0.21.0,>=0.18.2 # MIT
 keystonemiddleware>=4.17.0 # Apache-2.0
 jsonpatch!=1.20,>=1.16 # BSD