diff --git a/CHANGELOG.md b/CHANGELOG.md
index a3192cc75..a03a250d3 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -20,6 +20,11 @@ For reference, the possible headings are:
 
 ## [Unreleased]
 
+## [0.5.0] - (UNRELEASED)
+
+Make Coordinator stateless.
+Fix found issues.
+
 ## [0.4.0] - 2020-02-04
 
 Flatten model weights instead of using lists.
diff --git a/xain_fl/__version__.py b/xain_fl/__version__.py
index 2445a8e44..e0e1ca52d 100644
--- a/xain_fl/__version__.py
+++ b/xain_fl/__version__.py
@@ -1,4 +1,4 @@
 """central place to handle versioning"""
-__version__ = "0.4.0"
+__version__ = "0.5.0"
 # used by the documentation
-__short_version__ = "0.4"
+__short_version__ = "0.5"