diff --git a/src/converters/_memorybanks_converters.ts b/src/converters/_memorybanks_converters.ts
index 88dfd9ec..cd0a7ef2 100644
--- a/src/converters/_memorybanks_converters.ts
+++ b/src/converters/_memorybanks_converters.ts
@@ -799,3 +799,51 @@ export function structuredMemorySchemaConfigToVertex(
 
   return toObject;
 }
+
+export function updateMemoryBankConfigToVertex(
+  fromObject: types.UpdateMemoryBankConfig,
+  parentObject: Record<string, unknown>,
+): Record<string, unknown> {
+  const toObject: Record<string, unknown> = {};
+
+  const fromDisplayName = common.getValueByPath(fromObject, ['displayName']);
+  if (parentObject !== undefined && fromDisplayName != null) {
+    common.setValueByPath(parentObject, ['displayName'], fromDisplayName);
+  }
+
+  const fromDescription = common.getValueByPath(fromObject, ['description']);
+  if (parentObject !== undefined && fromDescription != null) {
+    common.setValueByPath(parentObject, ['description'], fromDescription);
+  }
+
+  return toObject;
+}
+
+export function updateMemoryBankRequestParametersToVertex(
+  fromObject: types.UpdateMemoryBankRequestParameters,
+): Record<string, unknown> {
+  const toObject: Record<string, unknown> = {};
+
+  const fromName = common.getValueByPath(fromObject, ['name']);
+  if (fromName != null) {
+    common.setValueByPath(toObject, ['_url', 'name'], fromName);
+  }
+
+  const fromMemoryBankConfig = common.getValueByPath(fromObject, [
+    'memoryBankConfig',
+  ]);
+  if (fromMemoryBankConfig != null) {
+    common.setValueByPath(
+      toObject,
+      ['context_spec', 'memory_bank_config'],
+      reasoningEngineContextSpecMemoryBankConfigToVertex(fromMemoryBankConfig),
+    );
+  }
+
+  const fromConfig = common.getValueByPath(fromObject, ['config']);
+  if (fromConfig != null) {
+    updateMemoryBankConfigToVertex(fromConfig, toObject);
+  }
+
+  return toObject;
+}
diff --git a/src/memorybanks.ts b/src/memorybanks.ts
index e1738285..64bed7dd 100644
--- a/src/memorybanks.ts
+++ b/src/memorybanks.ts
@@ -63,6 +63,49 @@ export class MemoryBanks extends BaseModule {
     }
   }
 
+  async updateInternal(
+    params: types.UpdateMemoryBankRequestParameters,
+  ): Promise<types.MemoryBankOperation> {
+    let response: Promise<types.MemoryBankOperation>;
+
+    let path: string = '';
+    let queryParams: Record<string, string> = {};
+    if (this.apiClient.isVertexAI()) {
+      const body = converters.updateMemoryBankRequestParametersToVertex(params);
+      path = common.formatMap(
+        '{name}',
+        body['_url'] as Record<string, unknown>,
+      );
+      queryParams = body['_query'] as Record<string, string>;
+      delete body['_url'];
+      delete body['_query'];
+      delete body['config'];
+
+      response = this.apiClient
+        .request({
+          path: path,
+          queryParams: queryParams,
+          body: JSON.stringify(body),
+          httpMethod: 'PATCH',
+          httpOptions: params.config?.httpOptions,
+          abortSignal: params.config?.abortSignal,
+        })
+        .then((httpResponse) => {
+          return httpResponse.json();
+        }) as Promise<types.MemoryBankOperation>;
+
+      return response.then((apiResponse) => {
+        const resp = converters.memoryBankOperationFromVertex(apiResponse);
+
+        return resp as types.MemoryBankOperation;
+      });
+    } else {
+      throw new Error(
+        'This method is only supported by the Gemini Enterprise Agent Platform (previously known as Vertex AI).',
+      );
+    }
+  }
+
   async deleteInternal(
     params: types.DeleteMemoryBankRequestParameters,
   ): Promise<types.DeleteMemoryBankOperation> {
diff --git a/src/types/common.ts b/src/types/common.ts
index 10d6dcd1..ca4fb1b3 100644
--- a/src/types/common.ts
+++ b/src/types/common.ts
@@ -1410,6 +1410,35 @@ export declare interface MemoryBankOperation {
   response?: MemoryBank;
 }
 
+/** Config for updating a memory bank. */
+export declare interface UpdateMemoryBankConfig {
+  /** Used to override HTTP request options. */
+  httpOptions?: genaiTypes.HttpOptions;
+  /** Abort signal which can be used to cancel the request.
+
+  NOTE: AbortSignal is a client-only operation. Using it to cancel an
+  operation will not cancel the request in the service. You will still
+  be charged usage for any applicable operations.
+       */
+  abortSignal?: AbortSignal;
+  /** The user-defined name of the Memory Bank.
+
+      The display name can be up to 128 characters long and can comprise any
+      UTF-8 characters.
+       */
+  displayName?: string;
+  /** The description of the Memory Bank. */
+  description?: string;
+}
+
+/** Parameters for updating memory banks. */
+export declare interface UpdateMemoryBankRequestParameters {
+  /** Name of the memory bank. */
+  name: string;
+  memoryBankConfig?: ReasoningEngineContextSpecMemoryBankConfig;
+  config?: UpdateMemoryBankConfig;
+}
+
 /** Config for delete memory bank. */
 export declare interface DeleteMemoryBankConfig {
   /** Used to override HTTP request options. */