diff --git a/setup.py b/setup.py
index c5434ff..e0c7b3b 100644
--- a/setup.py
+++ b/setup.py
@@ -10,7 +10,7 @@
 
 setup(
     name='SNPmatch',
-    version='3.0.1',
+    version='4.0.0',
     description='A simple python library to identify the most likely strain given the SNPs for a sample',
     long_description=long_description,
     url='https://github.com/Gregor-Mendel-Institute/SNPmatch',
diff --git a/snpmatch/__init__.py b/snpmatch/__init__.py
index 1da40d1..0e1d902 100644
--- a/snpmatch/__init__.py
+++ b/snpmatch/__init__.py
@@ -16,8 +16,8 @@
 from snpmatch.core import simulate
 import logging, logging.config
 
-__version__ = '3.0.1'
-__updated__ = "24.06.2019"
+__version__ = '4.0.0'
+__updated__ = "31.01.2020"
 __date__ = "25.10.2016"
 
 def setLog(logDebug):