diff --git a/requirements.txt b/requirements.txt
index 7697b511e..559c8a01d 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -4,7 +4,7 @@
 pbr>=1.6 # Apache-2.0
 keystoneauth1>=2.1.0 # Apache-2.0
 iso8601>=0.1.9 # MIT
-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
 PrettyTable<0.8,>=0.7 # BSD