diff --git a/requirements.txt b/requirements.txt
index 370e7d351a..e3b550d1b2 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -12,7 +12,7 @@ os-client-config>=1.13.1 # Apache-2.0
 osc-lib>=0.1.0 # Apache-2.0
 oslo.config>=3.12.0 # Apache-2.0
 oslo.i18n>=2.1.0 # Apache-2.0
-oslo.utils>=3.14.0 # Apache-2.0
+oslo.utils>=3.15.0 # Apache-2.0
 python-glanceclient>=2.0.0 # Apache-2.0
 python-keystoneclient!=1.8.0,!=2.1.0,>=1.7.0 # Apache-2.0
 python-novaclient!=2.33.0,>=2.29.0 # Apache-2.0