diff --git a/requirements.txt b/requirements.txt
index 9892cbe8..4c9b168e 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -6,6 +6,6 @@ Babel>=1.3 # BSD
 dogpile.cache>=0.5.4 # BSD
 six>=1.9.0 # MIT
 oslo.config>=3.2.0 # Apache-2.0
-oslo.i18n>=1.5.0 # Apache-2.0
+oslo.i18n>=2.1.0 # Apache-2.0
 oslo.log>=1.14.0 # Apache-2.0
 oslo.utils>=3.4.0 # Apache-2.0