diff --git a/requirements.txt b/requirements.txt
index 2c253ef88..f95283359 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -7,7 +7,7 @@ pbr!=2.1.0,>=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.utils>=3.20.0 # Apache-2.0
 PrettyTable<0.8,>=0.7.1 # BSD
 requests>=2.14.2 # Apache-2.0
diff --git a/test-requirements.txt b/test-requirements.txt
index 51cddf1a3..2b9df2a0e 100644
--- a/test-requirements.txt
+++ b/test-requirements.txt
@@ -12,7 +12,7 @@ mock>=2.0 # BSD
 openstackdocstheme>=1.11.0 # Apache-2.0
 oslotest>=1.10.0 # Apache-2.0
 sphinx>=1.6.2 # BSD
-tempest>=14.0.0 # Apache-2.0
+tempest>=16.1.0 # Apache-2.0
 testrepository>=0.0.18 # Apache-2.0/BSD
 testtools>=1.4.0 # MIT
 python-openstackclient!=3.10.0,>=3.3.0 # Apache-2.0