diff --git a/requirements.txt b/requirements.txt
index 221c1b190..a7eff7f98 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -10,8 +10,8 @@ iso8601>=0.1.9
 netaddr>=0.7.12
 oslo.config>=1.6.0  # Apache-2.0
 oslo.i18n>=1.0.0  # Apache-2.0
-oslo.serialization>=1.0.0               # Apache-2.0
-oslo.utils>=1.1.0                       # Apache-2.0
+oslo.serialization>=1.2.0               # Apache-2.0
+oslo.utils>=1.2.0                       # Apache-2.0
 PrettyTable>=0.7,<0.8
 requests>=2.2.0,!=2.4.0
 six>=1.7.0