diff --git a/requirements.txt b/requirements.txt
index 0fd6f7b2..32f079cf 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -5,11 +5,11 @@
 pbr!=2.1.0,>=2.0.0 # Apache-2.0
 Babel!=2.4.0,>=2.3.4 # BSD
 
-os-brick!=1.14.0,>=1.13.1 # Apache-2.0
+os-brick>=1.15.1 # Apache-2.0
 os-win>=2.0.0 # Apache-2.0
 oslo.config!=4.3.0,!=4.4.0,>=4.0.0 # 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.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