diff --git a/docs/conf.py b/docs/conf.py
index ae2cfbfbc..c77721a49 100644
--- a/docs/conf.py
+++ b/docs/conf.py
@@ -24,7 +24,7 @@
 author = 'Johann Brehmer, Felix Kling, Irina Espejo, and Kyle Cranmer'
 
 # The short X.Y version
-version = '0.3.0'
+version = '0.3.1'
 # The full version, including alpha/beta/rc tags
 release = version
 
diff --git a/madminer/__version__.py b/madminer/__version__.py
index 493f7415d..260c070a8 100644
--- a/madminer/__version__.py
+++ b/madminer/__version__.py
@@ -1 +1 @@
-__version__ = "0.3.0"
+__version__ = "0.3.1"
diff --git a/setup.py b/setup.py
index 4fda420b9..842d43f9c 100644
--- a/setup.py
+++ b/setup.py
@@ -20,7 +20,7 @@
 EMAIL = 'johann.brehmer@nyu.edu'
 AUTHOR = 'Johann Brehmer, Felix Kling, Irina Espejo, Kyle Cranmer'
 REQUIRES_PYTHON = '>=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*, !=3.4.*, <4'
-VERSION = '0.3.0'
+VERSION = '0.3.1'
 
 # What packages are required for this module to be executed?
 REQUIRED = [