diff --git a/HISTORY.rst b/HISTORY.rst
index 1179ce2..99c63ed 100644
--- a/HISTORY.rst
+++ b/HISTORY.rst
@@ -2,6 +2,21 @@
 History
 =======
 
+0.4.0 (2021-08-24)
+==================
+- Removed support for Django 2
+- Added GitHub actions
+- Added Channels v3 compatibility
+- Added new module to support Channels > 1 #18
+- Fix: tests are running again
+- Fix: Correctly unsubscribe after on_start operation is complete
+- Breaking changes
+
+0.3.1 (2020-05-19)
+==================
+- update travis deployment credentials and remove travis autogen config
+
+
 0.3.0 (2018-09-25)
 ==================
 
diff --git a/graphql_ws/__init__.py b/graphql_ws/__init__.py
index 0ffa258..32ced63 100644
--- a/graphql_ws/__init__.py
+++ b/graphql_ws/__init__.py
@@ -4,4 +4,4 @@
 
 __author__ = """Syrus Akbary"""
 __email__ = "me@syrusakbary.com"
-__version__ = "0.3.1"
+__version__ = "0.4.0"
diff --git a/setup.cfg b/setup.cfg
index 3d24cca..63d3a8a 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -1,7 +1,7 @@
 
 [metadata]
 name = graphql-ws
-version = 0.3.1
+version = 0.4.0
 description = Websocket backend for GraphQL subscriptions
 long_description = file: README.rst, CHANGES.rst
 author = Syrus Akbary
@@ -63,7 +63,7 @@ test =
 universal = 1
 
 [bumpversion]
-current_version = 0.3.1
+current_version = 0.4.0
 commit = True
 tag = True