diff --git a/requirements.txt b/requirements.txt
index 6e461883b3..3358726c58 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -62,5 +62,5 @@ os-xenapi>=0.3.1 # Apache-2.0
 tooz>=1.58.0 # Apache-2.0
 cursive>=0.2.1 # Apache-2.0
 pypowervm>=1.1.10 # Apache-2.0
-os-service-types>=1.1.0 # Apache-2.0
+os-service-types>=1.2.0 # Apache-2.0
 taskflow>=2.16.0 # Apache-2.0