diff --git a/CHANGELOG.md b/CHANGELOG.md
index 851f29b..20edf6f 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,10 @@
+# [2.2.0](https://github.com/thomah/boothby/compare/v2.1.0...v2.2.0) (2022-07-31)
+
+
+### Features
+
+* implement serious game ([261697e](https://github.com/thomah/boothby/commit/261697e3479a5876eb43c2acb00e8a5709b3b53d))
+
 # [2.1.0](https://github.com/thomah/boothby/compare/v2.0.3...v2.1.0) (2022-07-14)
 
 
diff --git a/package-lock.json b/package-lock.json
index 1fb74a3..eb81bbf 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,12 +1,12 @@
 {
   "name": "boothby",
-  "version": "2.1.0",
+  "version": "2.2.0",
   "lockfileVersion": 2,
   "requires": true,
   "packages": {
     "": {
       "name": "boothby",
-      "version": "2.1.0",
+      "version": "2.2.0",
       "license": "BEER-WARE",
       "dependencies": {
         "@slack/bolt": "^3.11.3",
diff --git a/package.json b/package.json
index dfc8942..18cf0af 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "boothby",
-  "version": "2.1.0",
+  "version": "2.2.0",
   "description": "A bot to provide tips about how to make our softwares greener",
   "repository": {
     "type": "git",