diff --git a/xabber/build.gradle b/xabber/build.gradle
index 6a35b00b04..d0611f99b2 100644
--- a/xabber/build.gradle
+++ b/xabber/build.gradle
@@ -9,8 +9,8 @@ android {
     defaultConfig {
         minSdkVersion 15
         targetSdkVersion 29
-        versionCode 643
-        versionName '2.6.5.643'
+        versionCode 644
+        versionName '2.6.6.644'
         manifestPlaceholders = [crashlytics:getLocalProperty("crashlytics.key")]
     }