diff --git a/requirements.txt b/requirements.txt
index 9ef13822..0d2b396f 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -8,7 +8,7 @@ six>=1.9.0 # MIT
 keystoneauth1>=2.1.0 # Apache-2.0
 stevedore>=1.5.0 # Apache-2.0
 requests!=2.9.0,>=2.8.1 # Apache-2.0
-oslo.i18n>=1.5.0 # Apache-2.0
+oslo.i18n>=2.1.0 # Apache-2.0
 oslo.serialization>=1.10.0 # Apache-2.0
 oslo.utils>=3.4.0 # Apache-2.0
 os-client-config>=1.13.1 # Apache-2.0