diff --git a/requirements.txt b/requirements.txt
index 3e76b428d..d90b2503f 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -19,7 +19,7 @@ oslo.concurrency>=0.3.0  # Apache-2.0
 oslo.messaging>=1.4.0,!=1.5.0
 oslo.middleware>=0.3.0                  # Apache-2.0
 oslo.rootwrap>=1.3.0
-oslo.serialization>=1.0.0               # Apache-2.0
+oslo.serialization>=1.2.0               # Apache-2.0
 oslo.utils>=1.2.0                       # Apache-2.0
 Paste
 PasteDeploy>=1.5.0