diff --git a/CHANGELOG.md b/CHANGELOG.md
index d445fe2..208863b 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,6 +2,39 @@
 
 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.
 
+## [0.4.0](https://git.lufrai.com/rappli/rappli/compare/v0.3.0...v0.4.0) (2022-06-30)
+
+
+### Features
+
+* add CHF suffix to discount price input ([33a856d](https://git.lufrai.com/rappli/rappli/commit/33a856d97ef789286a6d429930e2578441970f5d))
+* add donation link to WelcomeModal ([eef1631](https://git.lufrai.com/rappli/rappli/commit/eef1631f6c5052380feba72f880e9e0330d9626b))
+* add info about further development to WelcomeModal ([37020b0](https://git.lufrai.com/rappli/rappli/commit/37020b0722f93c5a10fffb8e58a06bfaf0e1d366))
+* add installation guide to WelcomeModal and README ([2ee0672](https://git.lufrai.com/rappli/rappli/commit/2ee0672ea569119f96410a5a81d5854a8cb9a0d4))
+* add Kohei Asai twitter link in WelcomeModal ([3680d86](https://git.lufrai.com/rappli/rappli/commit/3680d8699e8ed213c23666016551c71788bd55ca))
+* add link to changelog on version text in WelcomeModal ([e056551](https://git.lufrai.com/rappli/rappli/commit/e056551e109385f73e9cfb5c7a604e30550fe410))
+* add micro guide about markdown in WelcomeModal ([6e023cd](https://git.lufrai.com/rappli/rappli/commit/6e023cd17e68a1d649ce0bb65d47e2bed10314e8))
+* add privacy info to WelcomeModal faq ([bd52b8b](https://git.lufrai.com/rappli/rappli/commit/bd52b8b0f1e898318f6703c49c66f25e417c5aac))
+* add quantity row to AgileCalculator and improve the layout ([05c563c](https://git.lufrai.com/rappli/rappli/commit/05c563cbc399e5c412d6197fb1fa3668d9330e70))
+* add social crawler image ([27b819a](https://git.lufrai.com/rappli/rappli/commit/27b819a39e423177cbddd87255cf6dc70be9fecd))
+* add thankgiving for Kohei Asai in WelcomeModal ([1a9f75f](https://git.lufrai.com/rappli/rappli/commit/1a9f75f97a11231d2815070406382e121ec4dfbd))
+* cleanup external links in WelcomeModal ([bc3c67f](https://git.lufrai.com/rappli/rappli/commit/bc3c67f39c61b1c4442eada32bf942590b43e8a3))
+* implement agile help section in WelcomeModal faq ([9ae72e2](https://git.lufrai.com/rappli/rappli/commit/9ae72e2122750e667bfb7c47ec866577c7a8824c))
+* implemented AgileCalculator component ([9c5a8fd](https://git.lufrai.com/rappli/rappli/commit/9c5a8fd2c4d988a9a46463da8e1aa2621e3ca496))
+* improve info about further development in WelcomeModal ([9c56487](https://git.lufrai.com/rappli/rappli/commit/9c56487918dbe50d6e5f76fb1f1889750d559cd1))
+* improve installation guide formatting in WelcomeModal ([928ee68](https://git.lufrai.com/rappli/rappli/commit/928ee688e860f50b81c782ac5ac459cd0d7849f8))
+* move Katja mention in WelcomeModal thanksgivings to the top ([14f7d2b](https://git.lufrai.com/rappli/rappli/commit/14f7d2bae321b838dff76a2495df4ebc82877a96))
+* rework number input handlers and add proper step props ([32635cf](https://git.lufrai.com/rappli/rappli/commit/32635cf69eb215e6470c94df338cefae9210cb87))
+* use decimal period instead of comma character in number inputs ([0a599cf](https://git.lufrai.com/rappli/rappli/commit/0a599cf9d437c0dfa94bdef9b25cfe1851176f30))
+* use git src link for MIT license in WelcomeModal ([9d314e5](https://git.lufrai.com/rappli/rappli/commit/9d314e5ed4cf1a6ac80517fd6b9fc1514ccc8659))
+* write patron section in WelcomeModal ([e43be21](https://git.lufrai.com/rappli/rappli/commit/e43be215b5baff3c13ce99700ad64f65b9782978))
+* write the why-free section in WelcomeModal ([5de43a9](https://git.lufrai.com/rappli/rappli/commit/5de43a9a0248d6686a2325b1f48a49aa8e918322))
+
+
+### Bug Fixes
+
+* avoid division by zero in AgileCalculator ([309a975](https://git.lufrai.com/rappli/rappli/commit/309a9754b0831292b4e19ea3d639aad0745888a2))
+
 ## [0.3.0](https://git.lufrai.com/rappli/rappli/compare/v0.2.0...v0.3.0) (2022-06-28)
 
 
diff --git a/package-lock.json b/package-lock.json
index 939480a..ad9f7aa 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,12 +1,12 @@
 {
   "name": "rappli",
-  "version": "0.3.0",
+  "version": "0.4.0",
   "lockfileVersion": 2,
   "requires": true,
   "packages": {
     "": {
       "name": "rappli",
-      "version": "0.3.0",
+      "version": "0.4.0",
       "license": "MIT",
       "dependencies": {
         "solid-start": "v0.1.0-alpha.89",
diff --git a/package.json b/package.json
index 10d1ad7..cc92b06 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "rappli",
-  "version": "0.3.0",
+  "version": "0.4.0",
   "bin": "./bin/rappli.js",
   "scripts": {
     "dev": "solid-start dev",