diff --git a/include/bluetooth/gap.h b/include/bluetooth/gap.h
index 756d6af32b9..94b0316029d 100644
--- a/include/bluetooth/gap.h
+++ b/include/bluetooth/gap.h
@@ -50,6 +50,7 @@ extern "C" {
 #define BT_DATA_LE_SC_CONFIRM_VALUE     0x22 /* LE SC Confirmation Value */
 #define BT_DATA_LE_SC_RANDOM_VALUE      0x23 /* LE SC Random Value */
 #define BT_DATA_URI                     0x24 /* URI */
+#define BT_DATA_CHANNEL_MAP_UPDATE_IND  0x28 /* Channel Map Update Indication */
 #define BT_DATA_MESH_PROV               0x29 /* Mesh Provisioning PDU */
 #define BT_DATA_MESH_MESSAGE            0x2a /* Mesh Networking PDU */
 #define BT_DATA_MESH_BEACON             0x2b /* Mesh Beacon */