diff --git a/CHANGELOG.md b/CHANGELOG.md
index c9e6d84e69a..64de060e350 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,6 +2,18 @@
 
 All notable changes to this project will be documented in this file. See [standard-version](https://github.com/conventional-changelog/standard-version) for commit guidelines.
 
+### [1.5.1](https://github.com/ajaxorg/ace/compare/v1.5.0...v1.5.1) (2022-05-23)
+
+
+### Bug Fixes
+
+* Correctly tokenize YAML meta tags with non alphabetical characters after multiline string ([#4706](https://github.com/ajaxorg/ace/issues/4706)) ([0164811](https://github.com/ajaxorg/ace/commit/0164811fd95ecae9a46ce6fd7278e9c8b0b48eed))
+* Made commas be tokenized as punctuation operator instead of text in JSON ([#4703](https://github.com/ajaxorg/ace/issues/4703)) ([4c4883a](https://github.com/ajaxorg/ace/commit/4c4883a854836b652dbb798b78f207ae4b1924b8))
+* Multiple Partiql and Amazon Ion textual notation fixes ([#4686](https://github.com/ajaxorg/ace/issues/4686)) ([bffba8d](https://github.com/ajaxorg/ace/commit/bffba8d934773bc9236d741f1a1ce2237a971b3e))
+* PHP syntax fix for AMPERSAND_FOLLOWED_BY_VAR_OR_VARARG ([#4705](https://github.com/ajaxorg/ace/issues/4705)) ([d59c22b](https://github.com/ajaxorg/ace/commit/d59c22b603eaa9d688249a3cc11812e641f25426))
+* Python functions should be highlighted as functions ([#4708](https://github.com/ajaxorg/ace/issues/4708)) ([b2aaf1f](https://github.com/ajaxorg/ace/commit/b2aaf1f5644397959bd8c94e9e705da176242edd))
+* Updated PHP mode to support PHP8.1 syntax ([#4696](https://github.com/ajaxorg/ace/issues/4696)) ([33cf1c6](https://github.com/ajaxorg/ace/commit/33cf1c66af970edaf7eb0a468276fca249b8a5c8))
+
 ## [1.5.0](https://github.com/ajaxorg/ace/compare/v1.4.14...v1.5.0) (2022-05-12)
 
 
diff --git a/build b/build
index 61015eb194d..5e6390ba5d1 160000
--- a/build
+++ b/build
@@ -1 +1 @@
-Subproject commit 61015eb194d5783b705a77338ebb3a78569e9484
+Subproject commit 5e6390ba5d12b21e9b5c88ec17e3baa792c910fc
diff --git a/lib/ace/config.js b/lib/ace/config.js
index a5b0b7737c0..9c3debe925f 100644
--- a/lib/ace/config.js
+++ b/lib/ace/config.js
@@ -223,6 +223,6 @@ function deHyphenate(str) {
     return str.replace(/-(.)/g, function(m, m1) { return m1.toUpperCase(); });
 }
 
-exports.version = "1.5.0";
+exports.version = "1.5.1";
 
 });
diff --git a/package.json b/package.json
index d5ec1435a5a..cee8b4f020a 100644
--- a/package.json
+++ b/package.json
@@ -1,7 +1,7 @@
 {
     "name": "ace",
     "description": "Ajax.org Code Editor is a full featured source code highlighting editor that powers the Cloud9 IDE",
-    "version": "1.5.0",
+    "version": "1.5.1",
     "homepage": "http://github.com/ajaxorg/ace",
     "engines": {
         "node": ">= 0.6.0"