diff --git a/release/models/system/openconfig-system.yang b/release/models/system/openconfig-system.yang
index 724fe7db6..e01478206 100644
--- a/release/models/system/openconfig-system.yang
+++ b/release/models/system/openconfig-system.yang
@@ -49,7 +49,14 @@ module openconfig-system {
     Section 4.c of the IETF Trust's Legal Provisions Relating
     to IETF Documents (http://trustee.ietf.org/license-info).";
 
-  oc-ext:openconfig-version "3.2.0";
+  oc-ext:openconfig-version "3.3.0";
+
+  revision "2026-07-20" {
+    description
+      "Add inode count, utilization, and read-only operational leaves
+      to mount-point state.";
+    reference "3.3.0";
+  }
 
   revision "2026-06-02" {
     description
@@ -58,7 +65,6 @@ module openconfig-system {
     reference "3.2.0";
   }
 
-
   revision "2026-03-31" {
     description
       "Added a leaf for available memory.";
@@ -460,6 +466,31 @@ module openconfig-system {
         "This identify indicates the filesystem type used for storage.
         The string type exists to support backwards compatibility.";
     }
+
+    leaf inodes-available {
+      type uint64;
+      description
+        "The number of free inodes available on the filesystem.";
+    }
+
+    leaf inodes-total {
+      type uint64;
+      description
+        "The total number of inodes on the filesystem.";
+    }
+
+    leaf inodes-utilized {
+      type uint64;
+      description
+        "The number of used inodes on the filesystem.";
+    }
+
+    leaf read-only {
+      type boolean;
+      description
+        "When true, indicates that the filesystem is mounted in read-only
+        mode.";
+    }
   }
 
   grouping system-global-state {