diff --git a/CHANGELOG.md b/CHANGELOG.md
index ab0a2c354..25e04d1b2 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,7 +1,7 @@
 Change log
 ==========
 
-1.20.0 (2018-03-07)
+1.20.0 (2018-03-20)
 -------------------
 
 ### New features
diff --git a/compose/__init__.py b/compose/__init__.py
index 1c5a409f1..a5c1364a6 100644
--- a/compose/__init__.py
+++ b/compose/__init__.py
@@ -1,4 +1,4 @@
 from __future__ import absolute_import
 from __future__ import unicode_literals
 
-__version__ = '1.20.0'
+__version__ = '1.21.0dev'