diff --git a/framework/BaseYii.php b/framework/BaseYii.php
index 01b3a2a7b7..bee45dc562 100644
--- a/framework/BaseYii.php
+++ b/framework/BaseYii.php
@@ -93,7 +93,7 @@ class BaseYii
      */
     public static function getVersion()
     {
-        return '2.0.25';
+        return '2.0.26-dev';
     }
 
     /**
diff --git a/framework/CHANGELOG.md b/framework/CHANGELOG.md
index 7b26faf307..a3eed59a15 100644
--- a/framework/CHANGELOG.md
+++ b/framework/CHANGELOG.md
@@ -1,6 +1,12 @@
 Yii Framework 2 Change Log
 ==========================
 
+2.0.26 under development
+------------------------
+
+- no changes in this release.
+
+
 2.0.25 August 13, 2019
 ----------------------