diff --git a/CHANGELOG.md b/CHANGELOG.md
index 0d0c2c4..4c4a944 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,4 +1,21 @@
-# Changelog
+## v5.5.0 (2024-03-11)
+
+### Feature
+
+- remove empty groups from multisearch query when running search
+- convert single-item OR groups to AND when running search
+
+### Fix
+
+- sort on version rather than date modified
+
+### Refactor
+
+- move normalisation methods into schema.normalise step
+
+### Tests
+
+- add tests for query normalisation utils
 
 ## v5.4.0 (2024-01-15)
 
@@ -312,7 +329,6 @@
 - add type hints to datastore_queue_download
 - move fixture into conftest.py
 - move tests into new folder structure
-- move test schemas into data folder
 
 ### Docs
 
@@ -397,9 +413,6 @@
 - remove incorrect tag
 - rename some tests
 - merge in new changes from dev
-- merge dev again to try and resolve conflicts
-- merge/reformat again
-- merge package metadata updates from dev
 
 ## v3.8.0 (2022-12-14)
 
@@ -415,6 +428,10 @@
 
 ## v3.7.2 (2022-12-12)
 
+### Refactor
+
+- move test schemas into data folder
+
 ### Docs
 
 - **readme**: add instruction to install lessc globally
@@ -428,6 +445,10 @@
 - remove local less installation
 - add package data
 
+### Chores/Misc
+
+- merge dev again to try and resolve conflicts
+
 ## v3.7.1 (2022-12-01)
 
 ### Docs
@@ -468,6 +489,11 @@
 
 ## v3.6.2.1 (2022-10-13)
 
+### Chores/Misc
+
+- merge/reformat again
+- merge package metadata updates from dev
+
 ## v3.6.2 (2022-10-03)
 
 ## v3.6.1 (2022-09-06)
diff --git a/CITATION.cff b/CITATION.cff
index 74e207f..d6c7eee 100644
--- a/CITATION.cff
+++ b/CITATION.cff
@@ -17,4 +17,4 @@ keywords:
   - ckanext
   - versioned_datastore
 license: GPL-3.0-or-later
-version: 5.4.0
+version: 5.5.0
diff --git a/pyproject.toml b/pyproject.toml
index 763e786..7d97ddd 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [project]
 name = "ckanext-versioned-datastore"
-version = "5.4.0"
+version = "5.5.0"
 description = "A CKAN extension providing a versioned datastore using MongoDB and Elasticsearch"
 readme = "README.md"
 requires-python = ">=3.6"
@@ -75,7 +75,7 @@ exclude = ["tests", "docs"]
 
 [tool.commitizen]
 name = "cz_nhm"
-version = "5.4.0"
+version = "5.5.0"
 tag_format = "v$version"
 update_changelog_on_bump = true
 changelog_incremental = true