diff --git a/CHANGELOG.md b/CHANGELOG.md
index 8a3750b9..c8fba0dd 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,9 @@
 # Changelog
 
+## v2.3.1, 2023-10-21
+
+Remove Flattr service ([#23](https://github.com/richard67/shariff-plus/pull/23)).
+
 ## v2.3.0, 2023-10-19
 
 Fetched from [heiseonline/shariff](https://github.com/heiseonline/shariff):
diff --git a/package-lock.json b/package-lock.json
index 65ef06be..3b13fd68 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,12 +1,12 @@
 {
   "name": "shariff-plus",
-  "version": "2.3.0",
+  "version": "2.3.1",
   "lockfileVersion": 2,
   "requires": true,
   "packages": {
     "": {
       "name": "shariff-plus",
-      "version": "2.3.0",
+      "version": "2.3.1",
       "license": "MIT",
       "dependencies": {
         "@fortawesome/fontawesome-free": "^5.8.2",
diff --git a/package.json b/package.json
index 6d64ce34..e8bb48eb 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "shariff-plus",
-  "version": "2.3.0",
+  "version": "2.3.1",
   "description": "Shariff-Plus enables website users to share or like their favorite content without compromising their privacy. It is based on Shariff by Heise Medien GmbH & Co. KG.",
   "main": "src/js/shariff.js",
   "scripts": {