diff --git a/test-requirements.txt b/test-requirements.txt
index f42b7b6..78669a5 100644
--- a/test-requirements.txt
+++ b/test-requirements.txt
@@ -10,5 +10,5 @@ sphinx!=1.2.0,!=1.3b1,<1.3,>=1.1.2 # BSD
 oslosphinx!=3.4.0,>=2.5.0 # Apache-2.0
 
 oslotest>=1.10.0 # Apache-2.0
-oslo.i18n>=1.5.0 # Apache-2.0
+oslo.i18n>=2.1.0 # Apache-2.0
 coverage>=3.6 # Apache-2.0