diff --git a/requirements.txt b/requirements.txt
index 86c8a63..8a37d2b 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -13,7 +13,7 @@
 pyOpenSSL>=0.14 # Apache-2.0
 oslo.concurrency>=2.3.0 # Apache-2.0
 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.serialization>=1.10.0 # Apache-2.0
 oslo.utils>=3.4.0 # Apache-2.0