diff --git a/backend/hatchling/__about__.py b/backend/hatchling/__about__.py
index e1424ed0e..58d168b07 100644
--- a/backend/hatchling/__about__.py
+++ b/backend/hatchling/__about__.py
@@ -1 +1 @@
-__version__ = '0.3.1'
+__version__ = '0.4'
diff --git a/docs/meta/history.md b/docs/meta/history.md
index 387582560..8211f051c 100644
--- a/docs/meta/history.md
+++ b/docs/meta/history.md
@@ -20,6 +20,8 @@ This is the first release candidate for Hatch v1, a complete rewrite.
 
 ### Unreleased
 
+### [0.4](https://github.com/ofek/hatch/releases/tag/hatchling-v0.4) - 2021-12-30 ### {: #hatchling-v0.4 }
+
 ***Changed:***
 
 - In order to simplify configuration, build file selection options (`include`, `exclude`, etc.) can no longer be defined as comma separated strings.