diff --git a/src/api/AgentRuns/index.ts b/src/api/AgentRuns/index.ts
index 9c47dd0..eac0aab 100644
--- a/src/api/AgentRuns/index.ts
+++ b/src/api/AgentRuns/index.ts
@@ -1,6 +1,6 @@
 import { BaseResource } from "../BaseResource";
 import { Configuration } from "../../Configuration";
-import { AgentRun, CreateAgentRunRequest } from "../../models/AgentRun";
+import { AgentRun, CreateAgentRunRequest, UpdateAgentRunRequest } from "../../models/AgentRun";
 import { Activities } from "./Activities";
 
 /**
@@ -34,5 +34,16 @@ export class AgentRuns extends BaseResource {
   async retrieve(workspaceSlug: string, runId: string): Promise<AgentRun> {
     return this.get<AgentRun>(`/workspaces/${workspaceSlug}/runs/${runId}/`);
   }
+
+  /**
+   * Update an agent run
+   * @param workspaceSlug - The workspace slug
+   * @param runId - The agent run ID
+   * @param data - The fields to update
+   * @returns The updated agent run
+   */
+  async update(workspaceSlug: string, runId: string, data: UpdateAgentRunRequest): Promise<AgentRun> {
+    return this.patch<AgentRun>(`/workspaces/${workspaceSlug}/runs/${runId}/`, data);
+  }
 }
 
diff --git a/src/models/AgentRun.ts b/src/models/AgentRun.ts
index bf848b1..93c62d4 100644
--- a/src/models/AgentRun.ts
+++ b/src/models/AgentRun.ts
@@ -62,6 +62,21 @@ export interface CreateAgentRunRequest {
   type?: AgentRunType;
 }
 
+/**
+ * Update agent run request interface
+ */
+export interface UpdateAgentRunRequest {
+  external_link?: string | null;
+}
+
+/**
+ * Action button attached to an activity (e.g. a CTA shown below the response body).
+ */
+export interface AgentRunActivityAction {
+  name: string;
+  redirect_url: string | null;
+}
+
 /**
  * Agent run activity content for action type
  */
@@ -77,6 +92,7 @@ export interface AgentRunActivityActionContent {
 export interface AgentRunActivityTextContent {
   type: Exclude<AgentRunActivityType, "action">;
   body: string;
+  actions?: AgentRunActivityAction[];
 }
 
 /**