diff --git a/README.rst b/README.rst
index 435c39b..04fd089 100644
--- a/README.rst
+++ b/README.rst
@@ -79,8 +79,8 @@ Further documentation is located at http://idstools.readthedocs.org.
 Changelog
 ---------
 
-Unreleased
-~~~~~~~~~~
+0.5.5
+~~~~~
 
 - unified2: fix reading of ipv6 events
 - idstools-u2json: option to sort the keys
diff --git a/idstools/__init__.py b/idstools/__init__.py
index 35e8560..d76c3bc 100644
--- a/idstools/__init__.py
+++ b/idstools/__init__.py
@@ -1 +1 @@
-version = "0.5.4"
+version = "0.5.5"