diff --git a/CHANGELOG.md b/CHANGELOG.md
index 12e7d3c8..1880ccbe 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,9 @@
+#### 2.0.4 Maintenance Release
+
+- Prevent writing to the object prototype or constructor (PR https://github.com/jsonata-js/jsonata/pull/676)
+- Add upper/lower presentation format for am/pm in fromMillis (PR https://github.com/jsonata-js/jsonata/pull/644)
+- Various documentation additions and corrections
+
 #### 2.0.3 Maintenance Release
 
 - Fix regex termination lexer (PR https://github.com/jsonata-js/jsonata/pull/623)
diff --git a/package.json b/package.json
index bd8268d5..3b5d49d0 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "jsonata",
-  "version": "2.0.3",
+  "version": "2.0.4",
   "description": "JSON query and transformation language",
   "module": "jsonata.js",
   "main": "jsonata.js",