diff --git a/rlberry/_version.py b/rlberry/_version.py
index 3e3f1623d..d123ede02 100644
--- a/rlberry/_version.py
+++ b/rlberry/_version.py
@@ -1 +1 @@
-__version__ = "v0.3.0.post68.dev0+5ee019f "
+__version__ = "v0.4.0"