diff --git a/release/models/interfaces/openconfig-interfaces.yang b/release/models/interfaces/openconfig-interfaces.yang
index 6d79517cd..908e2c1fd 100644
--- a/release/models/interfaces/openconfig-interfaces.yang
+++ b/release/models/interfaces/openconfig-interfaces.yang
@@ -51,7 +51,15 @@ module openconfig-interfaces {
     Section 4.c of the IETF Trust's Legal Provisions Relating
     to IETF Documents (http://trustee.ietf.org/license-info).";
 
-  oc-ext:openconfig-version "3.8.1";
+  oc-ext:openconfig-version "3.9.0";
+
+  revision "2026-07-15" {
+      description
+        "Add ingress low-TTL discard counter to interface and
+        subinterface counters.";
+      reference
+        "3.9.0";
+  }
 
   revision "2026-01-06" {
       description
@@ -1006,6 +1014,19 @@ module openconfig-interfaces {
         the Unix Epoch (Jan 1, 1970 00:00:00 UTC).";
       oc-ext:telemetry-on-change;
     }
+
+    leaf in-low-ttl-discards {
+      type oc-yang:counter64;
+      description
+        "The number of inbound packets received on the interface or
+        subinterface that were dropped due to an expired Time-To-Live
+        (TTL) or Hop Limit during transit forwarding, indicating TTL
+        expiration or routing loops.
+
+        Discontinuities in the value of this counter can occur
+        at re-initialization of the management system, and at
+        other times as indicated by the value of 'last-clear'.";
+    }
   }
 
   grouping interface-counters-state {