diff --git a/requirements.txt b/requirements.txt
index 6c179dafb..b2d19bee1 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -40,7 +40,7 @@ oslo.context>=2.14.0 # Apache-2.0
 oslo.policy>=1.23.0 # Apache-2.0
 oslo.messaging!=5.25.0,>=5.24.2 # Apache-2.0
 oslo.middleware>=3.27.0 # Apache-2.0
-oslo.serialization>=1.10.0 # Apache-2.0
+oslo.serialization!=2.19.1,>=1.10.0 # Apache-2.0
 oslo.service>=1.10.0 # Apache-2.0
 oslo.utils>=3.20.0 # Apache-2.0
 oslo.i18n!=3.15.2,>=2.1.0 # Apache-2.0