diff --git a/requirements.txt b/requirements.txt
index 2cf442a..1d4d4d7 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -4,7 +4,7 @@
 
 Babel>=2.3.4 # BSD
 pbr>=1.6 # Apache-2.0
-osc-lib>=0.3.0 # Apache-2.0
+osc-lib>=0.4.0 # Apache-2.0
 PrettyTable<0.8,>=0.7 # BSD
 oslo.i18n>=2.1.0 # Apache-2.0
 oslo.serialization>=1.10.0 # Apache-2.0