diff --git a/CHANGELOG.md b/CHANGELOG.md
index a210174f..3492cefe 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,7 @@
+#### 1.8.1 Maintenance Release
+
+- Fix bug in timezone handling for ISO week date formats (issue #403)
+
 #### 1.8.0 Milestone Release
 
 - New syntax (`%` parent operator) to select the parent of the current context value (issue #299)
diff --git a/package.json b/package.json
index e5e23565..06d3d24e 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "jsonata",
-  "version": "1.8.0",
+  "version": "1.8.1",
   "description": "JSON query and transformation language",
   "module": "jsonata.js",
   "main": "jsonata.js",