diff --git a/requirements.txt b/requirements.txt
index 3c80997..28519a7 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -3,4 +3,5 @@
 Flask-RESTful>=0.3.5  # BSD
 oslo.config>=5.2.0 # Apache-2.0
 oslo.db>=4.27.0 # Apache-2.0
-oslo.policy>=1.44.1 # Apache-2.0
\ No newline at end of file
+oslo.policy>=1.44.1 # Apache-2.0
+oslo.service>=1.31.0 # Apache-2.0
\ No newline at end of file