diff --git a/app/config/storage/mimes.php b/app/config/storage/mimes.php
index 5c1752ca51..4d6dd47f47 100644
--- a/app/config/storage/mimes.php
+++ b/app/config/storage/mimes.php
@@ -68,4 +68,7 @@ return [
 
     // Adobe PDF
     "application/pdf",
+
+    // WebAssembly
+    "application/wasm",
 ];
diff --git a/tests/e2e/Services/Storage/StorageBase.php b/tests/e2e/Services/Storage/StorageBase.php
index 2b2c884283..a1b7eae7ab 100644
--- a/tests/e2e/Services/Storage/StorageBase.php
+++ b/tests/e2e/Services/Storage/StorageBase.php
@@ -877,4 +877,71 @@ trait StorageBase
 
         return $data;
     }
+
+    public function testWasmFileMimeType(): void
+    {
+        /**
+         * Test for SUCCESS - WASM file MIME type
+         */
+        $bucket = $this->client->call(Client::METHOD_POST, '/storage/buckets', [
+            'content-type' => 'application/json',
+            'x-appwrite-project' => $this->getProject()['$id'],
+            'x-appwrite-key' => $this->getProject()['apiKey'],
+        ], [
+            'bucketId' => ID::unique(),
+            'name' => 'Test Bucket for WASM',
+            'fileSecurity' => true,
+            'permissions' => [
+                Permission::read(Role::any()),
+                Permission::create(Role::any()),
+                Permission::update(Role::any()),
+                Permission::delete(Role::any()),
+            ],
+        ]);
+        $this->assertEquals(201, $bucket['headers']['status-code']);
+        $this->assertNotEmpty($bucket['body']['$id']);
+
+        $bucketId = $bucket['body']['$id'];
+
+        // Upload WASM file
+        $file = $this->client->call(Client::METHOD_POST, '/storage/buckets/' . $bucketId . '/files', array_merge([
+            'content-type' => 'multipart/form-data',
+            'x-appwrite-project' => $this->getProject()['$id'],
+        ], $this->getHeaders()), [
+            'fileId' => ID::unique(),
+            'file' => new CURLFile(realpath(__DIR__ . '/../../../resources/test.wasm'), 'application/wasm', 'test.wasm'),
+            'permissions' => [
+                Permission::read(Role::any()),
+                Permission::update(Role::any()),
+                Permission::delete(Role::any()),
+            ],
+        ]);
+        
+        $this->assertEquals(201, $file['headers']['status-code']);
+        $this->assertNotEmpty($file['body']['$id']);
+        $this->assertEquals('test.wasm', $file['body']['name']);
+        $this->assertEquals('application/wasm', $file['body']['mimeType']);
+
+        $fileId = $file['body']['$id'];
+
+        // Test file view endpoint returns correct MIME type
+        $view = $this->client->call(Client::METHOD_GET, '/storage/buckets/' . $bucketId . '/files/' . $fileId . '/view', array_merge([
+            'x-appwrite-project' => $this->getProject()['$id'],
+        ], $this->getHeaders()));
+
+        $this->assertEquals(200, $view['headers']['status-code']);
+        $this->assertEquals('application/wasm', $view['headers']['content-type']);
+
+        // Clean up
+        $this->client->call(Client::METHOD_DELETE, '/storage/buckets/' . $bucketId . '/files/' . $fileId, array_merge([
+            'content-type' => 'application/json',
+            'x-appwrite-project' => $this->getProject()['$id'],
+        ], $this->getHeaders()));
+
+        $this->client->call(Client::METHOD_DELETE, '/storage/buckets/' . $bucketId, [
+            'content-type' => 'application/json',
+            'x-appwrite-project' => $this->getProject()['$id'],
+            'x-appwrite-key' => $this->getProject()['apiKey'],
+        ]);
+    }
 }
diff --git a/tests/resources/test.wasm b/tests/resources/test.wasm
new file mode 100644
index 0000000000..d8fc92d022
Binary files /dev/null and b/tests/resources/test.wasm differ