diff --git a/requirements.txt b/requirements.txt
index 99ee9ecc..a5452a95 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -12,13 +12,13 @@ keystonemiddleware>=4.12.0 # Apache-2.0
 kombu!=4.0.2,>=4.0.0 # BSD
 oslo.concurrency>=3.8.0 # Apache-2.0
 oslo.config!=4.3.0,!=4.4.0,>=4.0.0 # Apache-2.0
-oslo.db>=4.23.0 # Apache-2.0
+oslo.db>=4.24.0 # Apache-2.0
 oslo.i18n!=3.15.2,>=2.1.0 # Apache-2.0
 oslo.log>=3.22.0 # Apache-2.0
 oslo.messaging!=5.25.0,>=5.24.2 # Apache-2.0
 oslo.middleware>=3.27.0 # Apache-2.0
 oslo.policy>=1.23.0 # 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
 python-novaclient>=9.0.0 # Apache-2.0