diff --git a/CHANGELOG.md b/CHANGELOG.md
index 66dc01815163f7cd4feef82268fbfbc0ae9a7359..87bd93f6b72ec3ba501aa3c8b3698adba934a0ae 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,6 +2,17 @@
 
 ## Unreleased
 
+## [0.5.6] 2019-09-04
+
+### Changes
+- Deprecation of the old helper functions (e.g., fetch open data)
+- Improvements to the documentation
+- Fix a bug in the dt calculations of the GW likelihood
+- Various small bug fixes
+
+### Added
+- LAL version information in the meta data
+
 ## [0.5.5] 2019-08-22
 
 ### Added
diff --git a/setup.py b/setup.py
index fd50ae6d2b5c38e4ea25e85875ef8bb56a6e5bee..74f2372a2a225ef3173be49a65e0ed49c2234f0e 100644
--- a/setup.py
+++ b/setup.py
@@ -57,7 +57,7 @@ def readfile(filename):
     return filecontents
 
 
-VERSION = '0.5.5'
+VERSION = '0.5.6'
 version_file = write_version_file(VERSION)
 long_description = get_long_description()