diff --git a/CHANGELOG_OLD.md b/CHANGELOG_OLD.md
index 9e6416643..4d3f88f9f 100644
--- a/CHANGELOG_OLD.md
+++ b/CHANGELOG_OLD.md
@@ -1,5 +1,10 @@
 The newest change log is in README.md
 
+## 4.6.15 (2020-05-23)
+* (bluefox) BREAKING: Please check "stopTimeout" blocks in your blockly scripts that the correct timeout name is listed there and correct after the update!
+* (paul53) fix "control" blockly node with "delete delay if running"
+* (foxriver76) change dependencies with Admin
+
 ## 4.6.14 (2020-05-19)
 * (bluefox) Names for scripts can not have dots anymore. They will be replaced by "_"
 * (bluefox) "schedule" name is not allowed for CRON
diff --git a/README.md b/README.md
index 8f1bee365..ed1ea4bd4 100644
--- a/README.md
+++ b/README.md
@@ -36,7 +36,7 @@ And then call "npm run build".
 
 ## Changelog
 
-### __WORK IN PROGRESS__
+### 4.6.21 (2020-07-28)
 * (Apollon77) catched some more file errors in mirror logic (Sentry IOBROKER-JAVASCRIPT-2X, IOBROKER-JAVASCRIPT-3C)
 
 ### 4.6.20 (2020-07-26)
@@ -61,11 +61,6 @@ And then call "npm run build".
 ### 4.6.16 (2020-05-24)
 * (bluefox) Corrected sendTo and clear delay blocks. 
 
-### 4.6.15 (2020-05-23)
-* (bluefox) BREAKING: Please check "stopTimeout" blocks in your blockly scripts that the correct timeout name is listed there and correct after the update!
-* (paul53) fix "control" blockly node with "delete delay if running"
-* (foxriver76) change dependencies with Admin
-
 ## License
 
 The MIT License (MIT)
diff --git a/io-package.json b/io-package.json
index 2dd6218e7..3a71027ae 100644
--- a/io-package.json
+++ b/io-package.json
@@ -1,7 +1,7 @@
 {
     "common": {
         "name": "javascript",
-        "version": "4.6.20",
+        "version": "4.6.21",
         "title": "Script Engine",
         "titleLang": {
             "en": "Script Engine",
@@ -22,6 +22,18 @@
             "AlCalzone"
         ],
         "news": {
+            "4.6.21": {
+                "en": "catched some more file errors in mirror logic (Sentry IOBROKER-JAVASCRIPT-2X, IOBROKER-JAVASCRIPT-3C)",
+                "de": "Es wurden weitere Dateifehler in der Spiegellogik festgestellt (Sentry IOBROKER-JAVASCRIPT-2X, IOBROKER-JAVASCRIPT-3C).",
+                "ru": "перехватил еще несколько файловых ошибок в зеркальной логике (Sentry IOBROKER-JAVASCRIPT-2X, IOBROKER-JAVASCRIPT-3C)",
+                "pt": "detectou mais alguns erros de arquivo na lógica de espelho (Sentry IOBROKER-JAVASCRIPT-2X, IOBROKER-JAVASCRIPT-3C)",
+                "nl": "ving nog wat meer bestandsfouten op in spiegellogica (Sentry IOBROKER-JAVASCRIPT-2X, IOBROKER-JAVASCRIPT-3C)",
+                "fr": "attrapé d'autres erreurs de fichier dans la logique miroir (Sentry IOBROKER-JAVASCRIPT-2X, IOBROKER-JAVASCRIPT-3C)",
+                "it": "rilevato altri errori di file nella logica del mirror (Sentry IOBROKER-JAVASCRIPT-2X, IOBROKER-JAVASCRIPT-3C)",
+                "es": "detectó algunos errores de archivo más en la lógica espejo (Sentry IOBROKER-JAVASCRIPT-2X, IOBROKER-JAVASCRIPT-3C)",
+                "pl": "wyłapałem więcej błędów plików w logice lustrzanej (Sentry IOBROKER-JAVASCRIPT-2X, IOBROKER-JAVASCRIPT-3C)",
+                "zh-cn": "在镜像逻辑中捕获了更多文件错误（Sentry IOBROKER-JAVASCRIPT-2X，IOBROKER-JAVASCRIPT-3C）"
+            },
             "4.6.20": {
                 "en": "make sure userdata objects/states are not overwritten on createState",
                 "de": "Stellen Sie sicher, dass Benutzerdatenobjekte / -zustände in createState nicht überschrieben werden",
diff --git a/package.json b/package.json
index bed416ae8..fff3a1520 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "iobroker.javascript",
-  "version": "4.6.20",
+  "version": "4.6.21",
   "description": "Javascript/Coffescript Script Engine for ioBroker",
   "author": "bluefox <dogafox@gmail.com>",
   "contributors": [