diff --git a/setup.py b/setup.py
index 4916f2b5e..fef30b02f 100755
--- a/setup.py
+++ b/setup.py
@@ -6,8 +6,8 @@
 from setuptools.command.install import install
 
 NAME = 'orange-widget-base'
-VERSION = '4.25.1'
-ISRELEASED = True
+VERSION = '4.26.0'
+ISRELEASED = False
 # full version identifier including a git revision identifier for development
 # build/releases (this is filled/updated in `write_version_py`)
 FULLVERSION = VERSION