diff --git a/zulip/CHANGELOG.md b/zulip/CHANGELOG.md
index e1e9d4a..9006613 100644
--- a/zulip/CHANGELOG.md
+++ b/zulip/CHANGELOG.md
@@ -3,6 +3,13 @@ All notable changes to this project will be documented in this file.
 
 The format is based on [Keep a Changelog](http://keepachangelog.com/en/1.0.0/).
 
+## [0.5.5] - 2018-09-25
+## Changed
+- Changed integrations/trello/zulip_trello.py to be a standalone script that
+  can be run from anywhere.
+- Changed integrations/trello/zulip_trello.py to not rely on any external
+  config files or logging.
+
 ## [0.5.4] - 2018-08-31
 ## Changed
 - Renamed `Client.get_presence()` to `Client.get_user_presence()`.
diff --git a/zulip/zulip/__init__.py b/zulip/zulip/__init__.py
index 2e31697..5761208 100644
--- a/zulip/zulip/__init__.py
+++ b/zulip/zulip/__init__.py
@@ -42,7 +42,7 @@ import logging
 import six
 from typing import Any, Callable, Dict, Iterable, IO, List, Mapping, Optional, Text, Tuple, Union
 
-__version__ = "0.5.4"
+__version__ = "0.5.5"
 
 logger = logging.getLogger(__name__)
 
diff --git a/zulip_bots/setup.py b/zulip_bots/setup.py
index e753de4..b9a4f32 100644
--- a/zulip_bots/setup.py
+++ b/zulip_bots/setup.py
@@ -10,7 +10,7 @@ import subprocess
 if False:
     from typing import Any, Dict, Optional
 
-ZULIP_BOTS_VERSION = "0.5.4"
+ZULIP_BOTS_VERSION = "0.5.5"
 IS_PYPA_PACKAGE = False
 
 
diff --git a/zulip_botserver/setup.py b/zulip_botserver/setup.py
index 05d30a3..b470bd3 100644
--- a/zulip_botserver/setup.py
+++ b/zulip_botserver/setup.py
@@ -7,7 +7,7 @@ import sys
 if False:
     from typing import Any, Dict, Optional
 
-ZULIP_BOTSERVER_VERSION = "0.5.4"
+ZULIP_BOTSERVER_VERSION = "0.5.5"
 
 # We should be installable with either setuptools or distutils.
 package_info = dict(