diff --git a/CHANGELOG.md b/CHANGELOG.md
new file mode 100644
index 0000000..dba26bf
--- /dev/null
+++ b/CHANGELOG.md
@@ -0,0 +1,9 @@
+# Change log
+
+## 2.0.0
+
+First production-ready version with full MQTT support and good Home Assistant integration
+
+## 1.0.0
+
+Initial version number that was used while the application was still under development
diff --git a/package-lock.json b/package-lock.json
index b0b105d..923dd1e 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,11 +1,11 @@
 {
   "name": "eda-modbus-bridge",
-  "version": "1.0.0",
+  "version": "2.0.0",
   "lockfileVersion": 2,
   "requires": true,
   "packages": {
     "": {
-      "version": "1.0.0",
+      "version": "2.0.0",
       "license": "GPL-3.0-only",
       "dependencies": {
         "async-mqtt": "^2.6.1",
diff --git a/package.json b/package.json
index 43e4e34..4b84cf4 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "eda-modbus-bridge",
-  "version": "1.0.0",
+  "version": "2.0.0",
   "description": "An HTTP/MQTT bridge for Enervent ventilation units with EDA automation",
   "main": "eda-modbus-bridge.mjs",
   "directories": {