diff --git a/requirements.txt b/requirements.txt
index 54520ce132..fc5cc4357d 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -28,10 +28,10 @@ jsonschema>=2.0.0,<3.0.0
 Jinja2>=2.6  # BSD License (3 clause)
 pexpect>=3.1 # ISC License
 oslo.config>=1.6.0  # Apache-2.0
-oslo.i18n>=1.0.0
+oslo.i18n>=1.3.0  # Apache-2.0
 oslo.serialization>=1.2.0
 oslo.utils>=1.2.0
-oslo.concurrency>=0.3.0,!=0.4.0
+oslo.concurrency>=1.4.1         # Apache-2.0
 MySQL-python
 Babel>=1.3
 six>=1.7.0