diff --git a/CHANGELOG.md b/CHANGELOG.md
index f720e11a..1bc7d893 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,12 @@
 # Change log
 
+## 0.9.0
+
+* Add `token` param to `getFilePreview` and `getFileView` for File tokens usage
+* Update default `quality` for `getFilePreview` from 0 to -1
+* Remove `Gif` from ImageFormat enum
+* Remove `search` param from `listExecutions` method
+
 ## 0.7.4
 
 * Upgrade dependencies to resolve PlatformConstants error with Expo 53
diff --git a/docs/examples/databases/upsert-document.md b/docs/examples/databases/upsert-document.md
new file mode 100644
index 00000000..ae423d12
--- /dev/null
+++ b/docs/examples/databases/upsert-document.md
@@ -0,0 +1,17 @@
+import { Client, Databases } from "react-native-appwrite";
+
+const client = new Client()
+    .setEndpoint('https://<REGION>.cloud.appwrite.io/v1') // Your API Endpoint
+    .setProject('<YOUR_PROJECT_ID>'); // Your project ID
+
+const databases = new Databases(client);
+
+const result = await databases.upsertDocument(
+    '<DATABASE_ID>', // databaseId
+    '<COLLECTION_ID>', // collectionId
+    '<DOCUMENT_ID>', // documentId
+    {}, // data
+    ["read("any")"] // permissions (optional)
+);
+
+console.log(result);
diff --git a/package.json b/package.json
index 55f72634..690e55c4 100644
--- a/package.json
+++ b/package.json
@@ -2,7 +2,7 @@
   "name": "react-native-appwrite",
   "homepage": "https://appwrite.io/support",
   "description": "Appwrite is an open-source self-hosted backend server that abstract and simplify complex and repetitive development tasks behind a very simple REST API",
-  "version": "0.9.0",
+  "version": "0.9.1",
   "license": "BSD-3-Clause",
   "main": "dist/cjs/sdk.js",
   "exports": {
diff --git a/src/client.ts b/src/client.ts
index bc3d647c..ccddc76d 100644
--- a/src/client.ts
+++ b/src/client.ts
@@ -108,13 +108,14 @@ class Client {
         jwt: '',
         locale: '',
         session: '',
+        devkey: '',
         platform: '',
     };
     headers: Headers = {
         'x-sdk-name': 'React Native',
         'x-sdk-platform': 'client',
         'x-sdk-language': 'reactnative',
-        'x-sdk-version': '0.9.0',
+        'x-sdk-version': '0.9.1',
         'X-Appwrite-Response-Format': '1.7.0',
     };
 
@@ -226,6 +227,21 @@ class Client {
         return this;
     }
 
+    /**
+     * Set DevKey
+     *
+     * Your secret dev API key
+     *
+     * @param value string
+     *
+     * @return {this}
+     */
+    setDevKey(value: string): this {
+        this.headers['X-Appwrite-Dev-Key'] = value;
+        this.config.devkey = value;
+        return this;
+    }
+
 
     private realtime: Realtime = {
         socket: undefined,
diff --git a/src/services/databases.ts b/src/services/databases.ts
index 1ec4dfe1..e8bb0ab8 100644
--- a/src/services/databases.ts
+++ b/src/services/databases.ts
@@ -132,6 +132,54 @@ export class Databases extends Service {
         }, payload);
     }
 
+    /**
+     * Create or update a Document. Before using this route, you should create a
+     * new collection resource using either a [server
+     * integration](https://appwrite.io/docs/server/databases#databasesCreateCollection)
+     * API or directly from your database console.
+     *
+     * @param {string} databaseId
+     * @param {string} collectionId
+     * @param {string} documentId
+     * @param {object} data
+     * @param {string[]} permissions
+     * @throws {AppwriteException}
+     * @returns {Promise}
+    */
+    upsertDocument<Document extends Models.Document>(databaseId: string, collectionId: string, documentId: string, data: object, permissions?: string[]): Promise<Document> {
+        if (typeof databaseId === 'undefined') {
+            throw new AppwriteException('Missing required parameter: "databaseId"');
+        }
+
+        if (typeof collectionId === 'undefined') {
+            throw new AppwriteException('Missing required parameter: "collectionId"');
+        }
+
+        if (typeof documentId === 'undefined') {
+            throw new AppwriteException('Missing required parameter: "documentId"');
+        }
+
+        if (typeof data === 'undefined') {
+            throw new AppwriteException('Missing required parameter: "data"');
+        }
+
+        const apiPath = '/databases/{databaseId}/collections/{collectionId}/documents/{documentId}'.replace('{databaseId}', databaseId).replace('{collectionId}', collectionId).replace('{documentId}', documentId);
+        const payload: Payload = {};
+
+        if (typeof data !== 'undefined') {
+            payload['data'] = data;
+        }
+
+        if (typeof permissions !== 'undefined') {
+            payload['permissions'] = permissions;
+        }
+
+        const uri = new URL(this.client.config.endpoint + apiPath);
+        return this.client.call('put', uri, {
+            'content-type': 'application/json',
+        }, payload);
+    }
+
     /**
      * Update a document by its unique ID. Using the patch method you can pass
      * only specific fields that will get updated.