diff --git a/CHANGELOG.md b/CHANGELOG.md
index d68acb1..002d74f 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,12 @@
+# v0.4.0
+### Breaking Changes:
+* The default calculator is now NOAA (af66119d).
+* Options for formatting years ending in מנצפ״ך (af66119d).  
+The default is now using non-final form for years ending in מנצפ״ך,
+so that 5780 will be default format as תש״פ, while it can optionally
+be set to format it as תש״ף.
+* Removed `KosherZmanim.getZmanimXML()`.
+
 # v0.3.1
 ### Bug fixes
 * Fixed the UMD bundle and example for the new API.
@@ -9,4 +18,3 @@ Instead, everything is exported as named exports. See the Usage section in the [
 * Default exports have been converted to named exports.
 * `KosherZmanim.getZmanimXML()` and `ZmanimFormatter.toXML()` have been deprecated.
 * Fixes based on KosherJava updates may have breaking changes. For example, `ZmanimCalculator` was removed. See KosherJava for more details.
-
diff --git a/package.json b/package.json
index 9eb15a1..99d8d2d 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "kosher-zmanim",
-  "version": "0.3.1",
+  "version": "0.4.0",
   "description": "A library for calculating zmanim, based on KosherJava.",
   "author": "BehindTheMath",
   "license": "LGPL-3.0",