diff --git a/README.md b/README.md
index 989a8534b..ddd8d2ed3 100644
--- a/README.md
+++ b/README.md
@@ -13,6 +13,10 @@ The features can be configurable to add and exclude some unused features, see [L
 
 The [ESP8266 and Raspberry Pi Pico](https://github.com/mobizt/Firebase-ESP8266) and [ESP32](https://github.com/mobizt/Firebase-ESP32) versions are available which provide only Firebase Realtime database and Firebase Cloud Messaging functions.
 
+Try the beta version of new async [FirebaseClient](https://github.com/mobizt/FirebaseClient) library which is faster and more reliable.
+
+The new async [FirebaseClient](https://github.com/mobizt/FirebaseClient) is currently support Realtime Database.
+
 
 ## Contents
 
@@ -2101,4 +2105,4 @@ IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
 FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
 COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
 IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
-CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
\ No newline at end of file
+CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.