diff --git a/requirements.txt b/requirements.txt
index 0cecd2b716..c71dc488ab 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -27,7 +27,7 @@ oslo.log>=3.22.0 # Apache-2.0
 oslo.middleware>=3.27.0 # Apache-2.0
 oslo.policy>=1.23.0 # Apache-2.0
 oslo.reports>=0.6.0 # 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
 pecan!=1.0.2,!=1.0.3,!=1.0.4,!=1.2,>=1.0.0 # BSD
@@ -44,4 +44,4 @@ oslo.versionedobjects>=1.17.0 # Apache-2.0
 jsonschema!=2.5.0,<3.0.0,>=2.0.0 # MIT
 psutil>=3.2.2 # BSD
 futurist!=0.15.0,>=0.11.0 # Apache-2.0
-tooz>=1.47.0 # Apache-2.0
+tooz!=1.57.4,>=1.47.0 # Apache-2.0