diff --git a/AUTHORS b/AUTHORS
index 6920d5a59a..cd302b33ec 100644
--- a/AUTHORS
+++ b/AUTHORS
@@ -217,9 +217,9 @@ Evan Miller <evan@geteppo.com>
 Timur <35872220+bornova@users.noreply.github.com>
 Ari Markowitz <ariymarkowitz@gmail.com>
 Jay Wang <xiao.hk1997@gmail.com>
-David Contreras <david.contreras@guentner.com>
 Jaeu Jeong <wodndb@gmail.com>
 cyavictor88 <100557319+cyavictor88@users.noreply.github.com>
+David Contreras <david.contreras@guentner.com>
 Jakub Riegel <jakubriegel112@gmail.com>
 Angus Comrie <accomrie@gmail.com>
 TMTron <martin.trummer@tmtron.com>
@@ -238,5 +238,6 @@ Juan Pablo Alvarado <63080419+juancodeaudio@users.noreply.github.com>
 Brooks Smith <brooks.smith@clearcalcs.com>
 Alex Edgcomb <aedgcomb@gmail.com>
 S.Y. Lee <sylee957@gmail.com>
+Hudsxn <143907857+Hudsxn@users.noreply.github.com>
 
 # Generated by tools/update-authors.js
diff --git a/HISTORY.md b/HISTORY.md
index 85e87a9e4c..3b3f1ee9cb 100644
--- a/HISTORY.md
+++ b/HISTORY.md
@@ -1,7 +1,7 @@
 # History
 
 
-# unpublished changes since 12.3.0
+# 2024-02-01, 12.3.1
 
 - Improved the typings of the arguments of `ArrayNode`, `FunctionNode`, 
   `IndexNode`, `OperatorNode`, and `RelationalNode` (#3123). Thanks @sylee957.
diff --git a/package-lock.json b/package-lock.json
index 49e108ad6a..ab0dcfa7c2 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,12 +1,12 @@
 {
   "name": "mathjs",
-  "version": "12.3.0",
+  "version": "12.3.1",
   "lockfileVersion": 2,
   "requires": true,
   "packages": {
     "": {
       "name": "mathjs",
-      "version": "12.3.0",
+      "version": "12.3.1",
       "license": "Apache-2.0",
       "dependencies": {
         "@babel/runtime": "^7.23.9",
diff --git a/package.json b/package.json
index 39d8dde54f..f12650ae97 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "mathjs",
-  "version": "12.3.0",
+  "version": "12.3.1",
   "description": "Math.js is an extensive math library for JavaScript and Node.js. It features a flexible expression parser with support for symbolic computation, comes with a large set of built-in functions and constants, and offers an integrated solution to work with different data types like numbers, big numbers, complex numbers, fractions, units, and matrices.",
   "author": "Jos de Jong <wjosdejong@gmail.com> (https://github.com/josdejong)",
   "homepage": "https://mathjs.org",
diff --git a/src/version.js b/src/version.js
index cfb4d1eff9..896267698a 100644
--- a/src/version.js
+++ b/src/version.js
@@ -1,3 +1,3 @@
-export const version = '12.3.0'
+export const version = '12.3.1'
 // Note: This file is automatically generated when building math.js.
 // Changes made in this file will be overwritten.