diff --git a/CHANGELOG.md b/CHANGELOG.md
index 3d640068..86d76884 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,4 +1,13 @@
+#### 2.2.2 Maintenance Release
+
+- Update TypeScript type definitions (PR #807)
+- Fix `$contains()` when the token is undefined (PR #809)
+- Regression looking up keys of an object (PR #814)
+- Race condition when $$ used concurrently (PR #816)
+- Correctly handle empty joins (PR #817)
+
 #### 2.2.1 Maintenance Release
+
 - Prevent object prototype pollution (PR #799)
 - Wildcards should not unwrap function objects (PR #800)
 - `$append` should enforce the sequence guardrail limit (PR #801)
diff --git a/package.json b/package.json
index b98116e4..2750a093 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "jsonata",
-  "version": "2.2.1",
+  "version": "2.2.2",
   "description": "JSON query and transformation language",
   "module": "jsonata.js",
   "main": "jsonata.js",