diff --git a/mypy-files.txt b/mypy-files.txt
index b4151e3d6ba..3622ebbaaa0 100644
--- a/mypy-files.txt
+++ b/mypy-files.txt
@@ -4,6 +4,7 @@ cinder/api/v3/types.py
 cinder/backup/api.py
 cinder/backup/manager.py
 cinder/backup/drivers/ceph.py
+cinder/backup/rpcapi.py
 cinder/common/constants.py
 cinder/context.py
 cinder/coordination.py