diff --git a/requirements.txt b/requirements.txt
index a45d1fd1..2f65887b 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -12,7 +12,7 @@ six>=1.9.0 # MIT
 stevedore>=1.20.0 # Apache-2.0
 Babel!=2.4.0,>=2.3.4 # BSD
 
-oslo.i18n>=2.1.0 # Apache-2.0
+oslo.i18n!=3.15.2,>=2.1.0 # Apache-2.0
 oslo.log>=3.22.0 # Apache-2.0
 oslo.utils>=3.20.0 # Apache-2.0
 oslosphinx>=4.7.0 # Apache-2.0