diff --git a/src/Objects/ConnectedAccount.php b/src/Objects/ConnectedAccount.php
index 478c2dd..509a0ca 100644
--- a/src/Objects/ConnectedAccount.php
+++ b/src/Objects/ConnectedAccount.php
@@ -25,6 +25,7 @@ public static function from_json(mixed $json): ConnectedAccount|null
               fn ($e) => SeamWarning::from_json($e),
               $json->warnings ?? []
             ),
+            automatically_manage_new_devices: $json->automatically_manage_new_devices
         );
     }
 
@@ -35,7 +36,8 @@ public function __construct(
         public array $errors,
         public array $warnings,
         public string $created_at,
-        public mixed $custom_metadata
+        public mixed $custom_metadata,
+        public bool $automatically_manage_new_devices
     ) {
     }
 }
diff --git a/src/SeamClient.php b/src/SeamClient.php
index c95d585..fd48b73 100644
--- a/src/SeamClient.php
+++ b/src/SeamClient.php
@@ -586,14 +586,14 @@ public function create(
 
   /**
    * Create Access Codes across multiple Devices that share a common code
-   * 
+   *
    * @param string[] $device_ids
    * @param string|null $name
    * @param string|null $starts_at
    * @param string|null $ends_at
    * @param string|null $behavior_when_code_cannot_be_shared Accepts either "throw" or "create_random_code"
    * @param bool|null $attempt_for_offline_device
-   * 
+   *
    * @return AccessCode[]
    */
   public function create_multiple(
@@ -883,6 +883,21 @@ public function get(string $connected_account_id): ConnectedAccount
       )
     );
   }
+
+  public function update(string $connected_account_id, bool $automatically_manage_new_devices): ConnectedAccount
+  {
+    return ConnectedAccount::from_json(
+      $this->seam->request(
+        "POST",
+        "connected_accounts/update",
+        json: [
+          "connected_account_id" => $connected_account_id,
+          "automatically_manage_new_devices" => $automatically_manage_new_devices,
+        ],
+        inner_object: "connected_account"
+      )
+    );
+  }
 }
 
 class EventsClient
@@ -1245,7 +1260,7 @@ class ThermostatsClient
 {
   private SeamClient $seam;
 
-  
+
   public ClimateSettingSchedulesClient $climate_setting_schedules;
 
   public function __construct(SeamClient $seam)
diff --git a/tests/ConnectedAccountsTest.php b/tests/ConnectedAccountsTest.php
index d7b3667..7ef2142 100644
--- a/tests/ConnectedAccountsTest.php
+++ b/tests/ConnectedAccountsTest.php
@@ -50,4 +50,31 @@ public function testDeleteConnectedAccount(): void
       $this->assertTrue(str_contains($exception->getMessage(), "connected_account_not_found"));
     }
   }
+
+  public function testUpdateConnectedAccount(): void
+  {
+    $seam = Fixture::getTestServer(true);
+    $connected_accounts = $seam->connected_accounts->list();
+
+    $connected_account_id = $connected_accounts[0]->connected_account_id;
+
+    $connected_account = $seam->connected_accounts->get(
+      connected_account_id: $connected_account_id
+    );
+    $this->assertTrue(
+      $connected_account->automatically_manage_new_devices === true
+    );
+
+    $seam->connected_accounts->update(
+      connected_account_id: $connected_account_id,
+      automatically_manage_new_devices: false
+    );
+
+    $connected_account = $seam->connected_accounts->get(
+      connected_account_id: $connected_account_id
+    );
+    $this->assertTrue(
+      $connected_account->automatically_manage_new_devices === false
+    );
+  }
 }