diff --git a/requirements.txt b/requirements.txt
index d5128cf5..7ec53a73 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -6,7 +6,7 @@ Babel>=1.3 # BSD
 pbr>=1.6 # Apache-2.0
 PrettyTable<0.8,>=0.7 # BSD
 openstacksdk # 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
 python-heatclient>=0.6.0 # Apache-2.0