diff --git a/manilaclient/api_versions.py b/manilaclient/api_versions.py
index 2116fab25..e6b6f5124 100644
--- a/manilaclient/api_versions.py
+++ b/manilaclient/api_versions.py
@@ -27,7 +27,7 @@ from manilaclient import utils
 
 LOG = logging.getLogger(__name__)
 
-MAX_VERSION = '2.88'
+MAX_VERSION = '2.89'
 MIN_VERSION = '2.0'
 DEPRECATED_VERSION = '1.0'
 _VERSIONED_METHOD_MAP = {}
diff --git a/releasenotes/notes/bp-pass-share-network-subnet-metadata-updates-to-backend-drivers-61135da17758d9f2.yaml b/releasenotes/notes/bp-pass-share-network-subnet-metadata-updates-to-backend-drivers-61135da17758d9f2.yaml
new file mode 100644
index 000000000..f69473d2c
--- /dev/null
+++ b/releasenotes/notes/bp-pass-share-network-subnet-metadata-updates-to-backend-drivers-61135da17758d9f2.yaml
@@ -0,0 +1,6 @@
+---
+upgrade:
+  - |
+    With microversion 2.89, share network subnet metadata updates will be
+    passed to storage backend driver for processing driver specific things
+    if supported.