diff --git a/requirements.txt b/requirements.txt
index 78101a72..ce50b402 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -6,7 +6,7 @@ oslo.concurrency>=3.8.0 # Apache-2.0
 oslo.config!=4.3.0,!=4.4.0,>=4.0.0 # Apache-2.0
 oslo.context>=2.14.0 # Apache-2.0
 oslo.messaging!=5.25.0,>=5.24.2 # 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
 iso8601>=0.1.11 # MIT
 oslo.log>=3.22.0 # Apache-2.0