diff --git a/test-requirements.txt b/test-requirements.txt
index a07aaaa..51d322d 100644
--- a/test-requirements.txt
+++ b/test-requirements.txt
@@ -11,6 +11,6 @@ sphinx!=1.6.1,>=1.5.1 # BSD
 oslosphinx>=4.7.0 # Apache-2.0
 
 oslotest>=1.10.0 # Apache-2.0
-oslo.i18n>=2.1.0 # Apache-2.0
+oslo.i18n!=3.15.2,>=2.1.0 # Apache-2.0
 coverage!=4.4,>=4.0 # Apache-2.0
 reno>=1.8.0 # Apache-2.0