diff --git a/CHANGELOG.rst b/CHANGELOG.rst
index 1d19a2f..33c91dd 100644
--- a/CHANGELOG.rst
+++ b/CHANGELOG.rst
@@ -3,6 +3,12 @@
 Changelog
 ---------
 
+0.4.0 (2019-04-05)
+++++++++++++++++++
+
+- Python 3.8 support
+- FileIO support, it's now possible to use abstract file IO, support is alpha
+
 0.3.4 (2018-02-13)
 +++++++++++++++++++
 
diff --git a/parso/__init__.py b/parso/__init__.py
index 9df29b8..c5bae3a 100644
--- a/parso/__init__.py
+++ b/parso/__init__.py
@@ -43,7 +43,7 @@ from parso.grammar import Grammar, load_grammar
 from parso.utils import split_lines, python_bytes_to_unicode
 
 
-__version__ = '0.3.4'
+__version__ = '0.4.0'
 
 
 def parse(code=None, **kwargs):