diff --git a/CHANGELOG.txt b/CHANGELOG.txt
index b358410..8e65b4d 100644
--- a/CHANGELOG.txt
+++ b/CHANGELOG.txt
@@ -1,3 +1,6 @@
+v0.3.1 (2018-04-17)
+- Remove íssue with supplementary read in paired-end mappings
+
 v0.3.0 (2017-03-26)
 - Change of ratio's CLI interface (using of keyword parameters for BAM files)
 - The subcommand ratio now normalizes to the number of aligned bases not reads
diff --git a/bin/covernant b/bin/covernant
index f4138aa..95b594b 100755
--- a/bin/covernant
+++ b/bin/covernant
@@ -10,10 +10,10 @@ from covernantlib import rescalewig
 
 
 __author__ = "Konrad Foerstner <konrad@foerstner.org>"
-__copyright__ = "2013-2017 by Konrad Foerstner <konrad@foerstner.org>"
+__copyright__ = "2013-2018 by Konrad Foerstner <konrad@foerstner.org>"
 __license__ = "ISC license"
 __email__ = "konrad@foerstner.org"
-__version__ = "0.3.0"
+__version__ = "0.3.1"
 
 
 def main():
diff --git a/setup.py b/setup.py
index 66d4f42..a42b5ef 100644
--- a/setup.py
+++ b/setup.py
@@ -7,7 +7,7 @@
 
 setup(
     name='COVERnant',
-    version='0.3.0',
+    version='0.3.1',
     packages=['covernantlib'],
     author='Konrad U. Förstner',
     author_email='konrad@foerstner.org',