diff --git a/releasenotes/notes/subnet-rbac-tests-6d3cf54e39a7b486.yaml b/releasenotes/notes/subnet-rbac-tests-6d3cf54e39a7b486.yaml
new file mode 100644
index 0000000..8d3d22a
--- /dev/null
+++ b/releasenotes/notes/subnet-rbac-tests-6d3cf54e39a7b486.yaml
@@ -0,0 +1,10 @@
+---
+features:
+  - |
+    Add RBAC tests for network subnet endpoints, providing coverage for the
+    following policy actions:
+
+      * create_subnet
+      * get_subnet
+      * update_subnet
+      * delete_subnet