diff --git a/docs/conf.py b/docs/conf.py
index 6233764c..436b59e1 100644
--- a/docs/conf.py
+++ b/docs/conf.py
@@ -62,7 +62,7 @@
 # The short X.Y version.
 version = u'0.3'
 # The full version, including alpha/beta/rc tags.
-release = u'0.3.0'
+release = u'0.3.1.dev0'
 
 # The language for content autogenerated by Sphinx. Refer to documentation
 # for a list of supported languages.
diff --git a/src/gpsea/__init__.py b/src/gpsea/__init__.py
index 402fc6cc..327b371c 100644
--- a/src/gpsea/__init__.py
+++ b/src/gpsea/__init__.py
@@ -2,4 +2,4 @@
 GPSEA is a library for analyzing genotype-phenotype correlations in cohorts of rare disease patients.
 """
 
-__version__ = "0.3.0"
+__version__ = "0.3.1.dev0"