diff --git a/requirements.txt b/requirements.txt
index 4591afb41d..617859970f 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -40,6 +40,6 @@ Jinja2>=2.8 # BSD License (3 clause)
 keystonemiddleware!=4.1.0,>=4.0.0 # Apache-2.0
 oslo.messaging>=4.0.0 # Apache-2.0
 retrying!=1.3.0,>=1.2.3 # Apache-2.0
-oslo.versionedobjects>=1.4.0 # Apache-2.0
+oslo.versionedobjects>=1.5.0 # Apache-2.0
 jsonschema!=2.5.0,<3.0.0,>=2.0.0 # MIT
 psutil<2.0.0,>=1.1.1 # BSD