diff --git a/setup.py b/setup.py
index b96044d..2b1cb3c 100644
--- a/setup.py
+++ b/setup.py
@@ -13,7 +13,7 @@ from setuptools import Extension
 # If you need to change anything, it should be enough to change setup.cfg.
 
 PACKAGE_NAME = 'sqlcipher3'
-VERSION = '0.3.0'
+VERSION = '0.4.0'
 
 # define sqlite sources
 sources = [os.path.join('src', source)