diff --git a/requirements.txt b/requirements.txt
index 0b0c1fece..f6278f11a 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -7,8 +7,8 @@ cliff>=1.7.0  # Apache-2.0
 iso8601>=0.1.9
 netaddr>=0.7.12
 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
 requests>=2.2.0,!=2.4.0
 python-keystoneclient>=0.11.1
 simplejson>=2.2.0