diff --git a/CHANGELOG b/CHANGELOG
index b177b67e4d..66054c6279 100644
--- a/CHANGELOG
+++ b/CHANGELOG
@@ -1,6 +1,10 @@
                    Yii Framework Change Log
                    ========================
 
+Version 1.1.31 under development
+--------------------------------
+- No changes yet
+
 Version 1.1.30 October 14, 2024
 --------------------------------
 
diff --git a/UPGRADE b/UPGRADE
index 7cd8c7e793..7795d75f44 100644
--- a/UPGRADE
+++ b/UPGRADE
@@ -18,6 +18,10 @@ General upgrade instructions
   issues to Yii issue tracker.
 
 
+Upgrading from v1.1.30
+----------------------
+No significant changes were made.
+
 Upgrading from v1.1.29
 ----------------------
 
diff --git a/framework/YiiBase.php b/framework/YiiBase.php
index a6ddc60cce..a4e0d7a483 100644
--- a/framework/YiiBase.php
+++ b/framework/YiiBase.php
@@ -87,7 +87,7 @@ class YiiBase
 	 */
 	public static function getVersion()
 	{
-		return '1.1.30';
+		return '1.1.31-dev';
 	}
 
 	/**
diff --git a/framework/yiilite.php b/framework/yiilite.php
index 8a2bbec658..a98c9b45a4 100644
--- a/framework/yiilite.php
+++ b/framework/yiilite.php
@@ -41,7 +41,7 @@ class YiiBase
 	private static $_logger;
 	public static function getVersion()
 	{
-		return '1.1.30';
+		return '1.1.31-dev';
 	}
 	public static function createWebApplication($config=null)
 	{