diff --git a/README.md b/README.md
index f0b7cb4..719f533 100644
--- a/README.md
+++ b/README.md
@@ -91,7 +91,7 @@ When the adapter crashes or an other Code error happens, this error message that
 
 ## Changelog
 
-### __WORK IN PROGRESS__
+### 3.2.1 (2021-05-09)
 * (Apollon77) Optimize for js-controller 3.3
 
 ### 3.2.0 (2021-01-24)
diff --git a/io-package.json b/io-package.json
index fe0f4ab..28c923a 100644
--- a/io-package.json
+++ b/io-package.json
@@ -1,8 +1,20 @@
 {
     "common": {
         "name": "smartmeter",
-        "version": "3.2.0",
+        "version": "3.2.1",
         "news": {
+            "3.2.1": {
+                "en": "Optimize for js-controller 3.3",
+                "de": "Optimieren für js-controller 3.3",
+                "ru": "Оптимизировать под js-controller 3.3",
+                "pt": "Otimize para js-controller 3.3",
+                "nl": "Optimaliseren voor js-controller 3.3",
+                "fr": "Optimiser pour js-controller 3.3",
+                "it": "Ottimizza per js-controller 3.3",
+                "es": "Optimizar para js-controller 3.3",
+                "pl": "Optymalizacja pod kątem kontrolera js 3.3",
+                "zh-cn": "针对js-controller 3.3进行优化"
+            },
             "3.2.0": {
                 "en": "Add new protocolSmlInputEncoding option for SML protocol. With this also ascii or base64 based encodings (e.g. with TCP transports) are possible.",
                 "de": "Fügen Sie die neue Option protocolSmlInputEncoding für das SML-Protokoll hinzu. Damit sind auch auf ASCII oder Base64 basierende Codierungen (z. B. mit TCP-Transporten) möglich.",
diff --git a/package-lock.json b/package-lock.json
index 82130c3..bf1f0ca 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,6 +1,6 @@
 {
   "name": "iobroker.smartmeter",
-  "version": "3.2.0",
+  "version": "3.2.1",
   "lockfileVersion": 1,
   "requires": true,
   "dependencies": {
diff --git a/package.json b/package.json
index 54e031f..aab84f0 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "iobroker.smartmeter",
-  "version": "3.2.0",
+  "version": "3.2.1",
   "description": "Smartmeter Adapter",
   "author": "Ingo Fischer <ingo@fischer-ka.de>",
   "contributors": [],