diff --git a/requirements.txt b/requirements.txt
index 4e1a9337..9c77d340 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -10,7 +10,7 @@ oslo.config!=4.3.0,!=4.4.0,>=4.0.0 # Apache-2.0
 oslo.context>=2.14.0 # Apache-2.0
 oslo.middleware>=3.27.0 # Apache-2.0
 oslo.log>=3.22.0 # Apache-2.0
-oslo.serialization>=1.10.0 # Apache-2.0
+oslo.serialization!=2.19.1,>=1.10.0 # Apache-2.0
 oslo.utils>=3.20.0 # Apache-2.0
 PasteDeploy>=1.5.0 # MIT
 monasca-common>=1.4.0 # Apache-2.0