diff --git a/CHANGELOG.md b/CHANGELOG.md
index 5a145dce..e4570988 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -4,12 +4,27 @@ All notable changes to this project will be documented in this file.
 
 The format is based on [Keep a Changelog 1.0.0].
 
-## Unreleased
+## v28.0.0 (2024-11-14)
 
 ### BREAKING CHANGE
 
+- Code which provided unsanitised URIs when initialising `DocumentURIStrings` will now cause `InvalidDocumentURIException`s to be raised.
 - Document can now no longer be initialised with a string as the `uri`, it must be a `DocumentURIString`.
 
+### Feat
+
+- Validate strings when creating a new DocumentURIString
+
+### Fix
+
+- **deps**: update dependency boto3 to v1.35.58
+- **deps**: update dependency boto3 to v1.35.56
+
+### Refactor
+
+- **Document**: initialising a Document now requires a DocumentURIString, not a str
+- **tests**: simpler test changes to pass type checking
+
 ## v27.4.0 (2024-11-07)
 
 ### Change of behaviour
diff --git a/pyproject.toml b/pyproject.toml
index ae8fa295..a800d8ce 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [tool.poetry]
 name = "ds-caselaw-marklogic-api-client"
-version = "27.4.0"
+version = "28.0.0"
 description = "An API client for interacting with the underlying data in Find Caselaw."
 authors = ["The National Archives"]
 homepage = "https://github.com/nationalarchives/ds-caselaw-custom-api-client"