diff --git a/src/gene/version.py b/src/gene/version.py
index 3c8fc57..e938214 100644
--- a/src/gene/version.py
+++ b/src/gene/version.py
@@ -1,2 +1,2 @@
 """Gene normalizer version"""
-__version__ = "0.3.0-dev2"
+__version__ = "0.3.1"