diff --git a/requirements.txt b/requirements.txt
index 7dcd4334..3a937fa1 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -9,4 +9,4 @@ oslo.config>=5.1.0 # Apache-2.0
 docutils>=0.11 # OSI-Approved Open Source, Public Domain
 sphinx!=1.6.6,>=1.6.2 # BSD
 demjson>=2.2.2 # GLGPLv3+
-PyYAML>=3.10 # MIT
+PyYAML>=3.12 # MIT