diff --git a/libs/sdk-js/src/client.mts b/libs/sdk-js/src/client.mts
index 9081749af..184872ac5 100644
--- a/libs/sdk-js/src/client.mts
+++ b/libs/sdk-js/src/client.mts
@@ -310,6 +310,30 @@ export class AssistantsClient extends BaseClient {
       },
     });
   }
+
+  /**
+   * List all versions of an assistant.
+   * 
+   * @param assistantId ID of the assistant.
+   * @returns List of assistant versions.
+   */
+  async getVersions(assistantId: string): Promise<Assistant[]> {
+    return this.fetch<Assistant[]>(`/assistants/${assistantId}/versions`);
+  }
+
+  /**
+   * Change the version of an assistant.
+   * 
+   * @param assistantId ID of the assistant.
+   * @param version The version to change to.
+   * @returns The updated assistant.
+   */
+  async changeVersion(assistantId: string, version: number): Promise<Assistant> {
+    return this.fetch<Assistant>(`/assistants/${assistantId}/change_version`, {
+      method: "POST",
+      json: { version },
+    });
+  }
 }
 
 export class ThreadsClient extends BaseClient {
diff --git a/libs/sdk-js/src/schema.ts b/libs/sdk-js/src/schema.ts
index 1d772b7eb..11ae38843 100644
--- a/libs/sdk-js/src/schema.ts
+++ b/libs/sdk-js/src/schema.ts
@@ -82,6 +82,8 @@ export interface Assistant {
   created_at: string;
   updated_at: string;
   metadata: Metadata;
+  version: number;
+  name: string;
 }
 export type AssistantGraph = Record<string, Array<Record<string, unknown>>>;
 
diff --git a/libs/sdk-py/langgraph_sdk/schema.py b/libs/sdk-py/langgraph_sdk/schema.py
index 5f58f02c2..790a57cf0 100644
--- a/libs/sdk-py/langgraph_sdk/schema.py
+++ b/libs/sdk-py/langgraph_sdk/schema.py
@@ -72,6 +72,10 @@ class Assistant(TypedDict):
     """The last time the assistant was updated."""
     metadata: Json
     """The assistant metadata."""
+    version: int
+    """The version of the assistant"""
+    name: str
+    """The name of the assistant"""
 
 
 class Thread(TypedDict):