diff --git a/requirements.txt b/requirements.txt
index 7e68971e..86b7ca6b 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -10,5 +10,5 @@ pyOpenSSL>=0.11
 requests>=2.5.2
 warlock>=1.0.1,<2
 six>=1.9.0
-oslo.utils>=1.4.0                       # Apache-2.0
+oslo.utils>=1.6.0                       # Apache-2.0
 oslo.i18n>=1.5.0  # Apache-2.0