diff --git a/src/Common/SearchAttributes/SearchAttributeUpdate.php b/src/Common/SearchAttributes/SearchAttributeUpdate.php
index 774fef5d..bb25c8e7 100644
--- a/src/Common/SearchAttributes/SearchAttributeUpdate.php
+++ b/src/Common/SearchAttributes/SearchAttributeUpdate.php
@@ -14,10 +14,10 @@
 abstract class SearchAttributeUpdate
 {
     /**
-     * @param non-empty-string $key
+     * @param non-empty-string $name
      */
     protected function __construct(
-        public readonly string $key,
+        public readonly string $name,
         public readonly ValueType $type,
     ) {}
 
diff --git a/src/Internal/Transport/Request/UpsertTypedSearchAttributes.php b/src/Internal/Transport/Request/UpsertTypedSearchAttributes.php
new file mode 100644
index 00000000..c3918216
--- /dev/null
+++ b/src/Internal/Transport/Request/UpsertTypedSearchAttributes.php
@@ -0,0 +1,50 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Temporal\Internal\Transport\Request;
+
+use Temporal\Common\SearchAttributes\SearchAttributeUpdate;
+use Temporal\Common\SearchAttributes\SearchAttributeUpdate\ValueSet;
+use Temporal\Worker\Transport\Command\Client\Request;
+
+class UpsertTypedSearchAttributes extends Request
+{
+    public const NAME = 'UpsertWorkflowTypedSearchAttributes';
+
+    /**
+     * @param list<SearchAttributeUpdate> $searchAttributes
+     */
+    public function __construct(
+        private readonly array $searchAttributes,
+    ) {
+        parent::__construct(self::NAME, ['searchAttributes' => $this->prepareSearchAttributes()]);
+    }
+
+    /**
+     * @return list<SearchAttributeUpdate>
+     */
+    public function getSearchAttributes(): array
+    {
+        return $this->searchAttributes;
+    }
+
+    private function prepareSearchAttributes(): array {
+        $result = [];
+        foreach ($this->searchAttributes as $attr) {
+            $result[$attr->name] = $attr instanceof ValueSet
+                ? [
+                    'type' => $attr->type->value,
+                    'operation' => 'set',
+                    'value' => $attr->value,
+                ]
+                : [
+                    'type' => $attr->type->value,
+                    'operation' => 'unset',
+                ];
+        }
+
+        return $result;
+    }
+
+}
diff --git a/src/Internal/Workflow/ScopeContext.php b/src/Internal/Workflow/ScopeContext.php
index a611aa24..d293a3c1 100644
--- a/src/Internal/Workflow/ScopeContext.php
+++ b/src/Internal/Workflow/ScopeContext.php
@@ -13,8 +13,10 @@
 
 use React\Promise\Deferred;
 use React\Promise\PromiseInterface;
+use Temporal\Common\SearchAttributes\SearchAttributeUpdate;
 use Temporal\Exception\Failure\CanceledFailure;
 use Temporal\Internal\Transport\CompletableResult;
+use Temporal\Internal\Transport\Request\UpsertTypedSearchAttributes;
 use Temporal\Internal\Workflow\Process\Scope;
 use Temporal\Worker\Transport\Command\RequestInterface;
 use Temporal\Workflow\CancellationScopeInterface;
@@ -109,6 +111,13 @@ public function upsertSearchAttributes(array $searchAttributes): void
         );
     }
 
+    public function upsertTypedSearchAttributes(SearchAttributeUpdate ...$updates): void
+    {
+        $this->request(
+            new UpsertTypedSearchAttributes($updates),
+        );
+    }
+
     #[\Override]
     public function destroy(): void
     {