diff --git a/src/mibew/VERSION b/src/mibew/VERSION
index 10a9279e..45772dc5 100644
--- a/src/mibew/VERSION
+++ b/src/mibew/VERSION
@@ -1 +1 @@
-Mibew/1.6.5
\ No newline at end of file
+Mibew/2.0
\ No newline at end of file
diff --git a/src/mibew/libs/common/constants.php b/src/mibew/libs/common/constants.php
index 0f3063b1..5eb6b2e1 100644
--- a/src/mibew/libs/common/constants.php
+++ b/src/mibew/libs/common/constants.php
@@ -18,17 +18,17 @@
 /**
  * Current version of Mibew Messenger
  */
-$version = '1.6.5';
+$version = '2.0';
 
 /**
  * Current version of database structure
  */
-$dbversion = '1.6.3';
+$dbversion = '2.0';
 
 /**
  * Current version of implemented features
  */
-$featuresversion = '1.6.4';
+$featuresversion = '2.0';
 
 /**
  * Prefix for session variables.