diff --git a/packages/xrpl/src/models/transactions/XChainModifyBridge.ts b/packages/xrpl/src/models/transactions/XChainModifyBridge.ts
new file mode 100644
index 0000000000..f81f52de16
--- /dev/null
+++ b/packages/xrpl/src/models/transactions/XChainModifyBridge.ts
@@ -0,0 +1,38 @@
+import { ValidationError } from '../../errors'
+import { Amount, XChainBridge } from '../common'
+
+import { BaseTransaction, validateBaseTransaction } from './common'
+
+/**
+ *
+ * @category Transaction Models
+ */
+export interface XChainModifyBridge extends BaseTransaction {
+  TransactionType: 'XChainModifyBridge'
+
+  XChainBridge: XChainBridge
+
+  SignatureReward: Amount
+
+  MinAccountCreateAmount?: Amount
+}
+
+/**
+ * Verify the form and type of a XChainModifyBridge at runtime.
+ *
+ * @param tx - A XChainModifyBridge Transaction.
+ * @throws When the XChainModifyBridge is malformed.
+ */
+export function validateXChainModifyBridge(tx: Record<string, unknown>): void {
+  validateBaseTransaction(tx)
+
+  if (tx.XChainBridge == null) {
+    throw new ValidationError('XChainModifyBridge: missing field XChainBridge')
+  }
+
+  if (tx.SignatureReward == null) {
+    throw new ValidationError(
+      'XChainModifyBridge: missing field SignatureReward',
+    )
+  }
+}
diff --git a/packages/xrpl/src/models/transactions/index.ts b/packages/xrpl/src/models/transactions/index.ts
index 0327bdb86f..a47cca29b0 100644
--- a/packages/xrpl/src/models/transactions/index.ts
+++ b/packages/xrpl/src/models/transactions/index.ts
@@ -51,3 +51,4 @@ export { XChainCommit } from './XChainCommit'
 export { XChainCreateBridge } from './XChainCreateBridge'
 export { XChainCreateClaimID } from './XChainCreateClaimID'
 export { SidechainXChainAccountCreate } from './sidechainXChainAccountCreate'
+export { XChainModifyBridge } from './XChainModifyBridge'
diff --git a/packages/xrpl/src/models/transactions/transaction.ts b/packages/xrpl/src/models/transactions/transaction.ts
index 466aa9b65a..9c3ab8d4a7 100644
--- a/packages/xrpl/src/models/transactions/transaction.ts
+++ b/packages/xrpl/src/models/transactions/transaction.ts
@@ -68,6 +68,10 @@ import {
   XChainCreateClaimID,
   validateXChainCreateClaimID,
 } from './XChainCreateClaimID'
+import {
+  XChainModifyBridge,
+  validateXChainModifyBridge,
+} from './XChainModifyBridge'
 
 /**
  * @category Transaction Models
@@ -103,6 +107,7 @@ export type Transaction =
   | XChainCreateBridge
   | XChainCreateClaimID
   | SidechainXChainAccountCreate
+  | XChainModifyBridge
 
 /**
  * @category Transaction Models
@@ -251,6 +256,10 @@ export function validate(transaction: Record<string, unknown>): void {
       validateSidechainXChainAccountCreate(tx)
       break
 
+    case 'XChainModifyBridge':
+      validateXChainModifyBridge(tx)
+      break
+
     default:
       throw new ValidationError(
         `Invalid field TransactionType: ${tx.TransactionType}`,