diff --git a/ra_aid/__version__.py b/ra_aid/__version__.py
index bcf3195..2c7e3d9 100644
--- a/ra_aid/__version__.py
+++ b/ra_aid/__version__.py
@@ -1,3 +1,3 @@
 """Version information."""
 
-__version__ = "0.3.0"
+__version__ = "0.4.0"