diff --git a/README.md b/README.md
index d520cd2..576e4ea 100644
--- a/README.md
+++ b/README.md
@@ -113,6 +113,9 @@ If you like to get a deeper understanding or need a raw-value translation please
 ## Changelog
 ### **WORK IN PROGRESS**
 
+### 6.5.2 (2023-04-21) (Dying for an Angel)
+* (grizzelbee) Fix: [367](https://github.com/Grizzelbee/ioBroker.mielecloudservice/issues/367) Fixed "oauth is not a function" error during startup by downgrading axios-oauth-client to v1.5.0
+
 ### 6.5.1 (2023-04-21) (Dying for an Angel)
 * (grizzelbee) Fix: Some minor fixes for ioBroker adapter checker
 
@@ -127,7 +130,7 @@ If you like to get a deeper understanding or need a raw-value translation please
 * (grizzelbee) New: Added RAW-Value to Platesteps (related to issue [356](https://github.com/Grizzelbee/ioBroker.mielecloudservice/issues/356))
 * (grizzelbee) Fix: [343](https://github.com/Grizzelbee/ioBroker.mielecloudservice/issues/343) GENERIC_BUSINESS_ERROR occurred when switching ventilationStep
 * (grizzelbee) Fix: [356](https://github.com/Grizzelbee/ioBroker.mielecloudservice/issues/356) In some cases the value 0 (zero) is ignored (e.g. at PlateStep)
-* (grizzelbee) Fix: [359](https://github.com/Grizzelbee/ioBroker.mielecloudservice/issues/359) Fixed "oauth is not a function" error during startup with downgrade of axios-oauth-client to v1.5.0
+* (grizzelbee) Fix: [359](https://github.com/Grizzelbee/ioBroker.mielecloudservice/issues/359) Fixed "oauth is not a function" error during startup by downgrading axios-oauth-client to v1.5.0
 
 ### 6.4.0 (2022-09-07) (Dying for an Angel)
 * (grizzelbee) Fix: program names get localized now
diff --git a/io-package.json b/io-package.json
index 24ba592..40f89be 100755
--- a/io-package.json
+++ b/io-package.json
@@ -1,8 +1,21 @@
 {
     "common": {
         "name": "mielecloudservice",
-        "version": "6.5.1",
+        "version": "6.5.2",
         "news": {
+            "6.5.2": {
+                "en": "Fix: \"oauth is not a function\" error during startup - again!",
+                "de": "Fix: „oauth is not a function“-Fehler beim Start – schon wieder!",
+                "ru": "Исправлено: ошибка «oauth не является функцией» при запуске — снова!",
+                "pt": "Correção: erro \"oauth não é uma função\" durante a inicialização - novamente!",
+                "nl": "Fix: \"oauth is not a function\"-fout tijdens het opstarten - opnieuw!",
+                "fr": "Correction : erreur \"oauth n'est pas une fonction\" au démarrage - encore une fois !",
+                "it": "Correzione: errore \"oauth non è una funzione\" durante l'avvio - di nuovo!",
+                "es": "Solución: error \"oauth no es una función\" durante el inicio, ¡otra vez!",
+                "pl": "Poprawka: błąd „oauth nie jest funkcją” podczas uruchamiania — ponownie!",
+                "uk": "Виправлення: помилка \"oauth не є функцією\" під час запуску - знову!",
+                "zh-cn": "修复：启动期间出现“oauth 不是函数”错误 - 再次出现！"
+            },
             "6.5.1": {
                 "en": "Some minor fixes for ioBroker adapterchecker",
                 "de": "Einige kleinere Korrekturen für den ioBroker Adapterchecker",
diff --git a/package-lock.json b/package-lock.json
index cfde620..a258d7c 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,18 +1,18 @@
 {
   "name": "iobroker.mielecloudservice",
-  "version": "6.5.0",
+  "version": "6.5.2",
   "lockfileVersion": 2,
   "requires": true,
   "packages": {
     "": {
       "name": "iobroker.mielecloudservice",
-      "version": "6.5.0",
+      "version": "6.5.2",
       "license": "MIT",
       "dependencies": {
         "@iobroker/adapter-core": "^2.6.8",
         "@iobroker/plugin-sentry": "^1.2.0",
         "axios": "^1.3.5",
-        "axios-oauth-client": "^2.0.2",
+        "axios-oauth-client": "^1.5.0",
         "eventsource": "^2.0.2",
         "flatted": "^3.2.7"
       },
@@ -1148,17 +1148,14 @@
       }
     },
     "node_modules/axios-oauth-client": {
-      "version": "2.0.2",
-      "resolved": "https://registry.npmjs.org/axios-oauth-client/-/axios-oauth-client-2.0.2.tgz",
-      "integrity": "sha512-WyNVX5xGW3UcdoX9HKvrPb6XEIw0kOTu4oSkSVl9maHaAcJRuxNgj1HPNZ3ReAlYRqd7uXL1PENlhhYk4SeiLw==",
+      "version": "1.5.0",
+      "resolved": "https://registry.npmjs.org/axios-oauth-client/-/axios-oauth-client-1.5.0.tgz",
+      "integrity": "sha512-CFuTfK9KdRnDDR6LQlUJ0GNKUZ3tHRSFdKPM9WqeCtUdcuKDgWt9aDFH7Xl87VpUcfNt5qRVl4iHdayqtXVv7g==",
       "dependencies": {
-        "qs": "^6.11.0"
+        "qs": "^6.10.1"
       },
       "engines": {
-        "node": ">= 14"
-      },
-      "peerDependencies": {
-        "axios": "^1.2.1"
+        "node": ">=10"
       }
     },
     "node_modules/balanced-match": {
@@ -5506,11 +5503,11 @@
       }
     },
     "axios-oauth-client": {
-      "version": "2.0.2",
-      "resolved": "https://registry.npmjs.org/axios-oauth-client/-/axios-oauth-client-2.0.2.tgz",
-      "integrity": "sha512-WyNVX5xGW3UcdoX9HKvrPb6XEIw0kOTu4oSkSVl9maHaAcJRuxNgj1HPNZ3ReAlYRqd7uXL1PENlhhYk4SeiLw==",
+      "version": "1.5.0",
+      "resolved": "https://registry.npmjs.org/axios-oauth-client/-/axios-oauth-client-1.5.0.tgz",
+      "integrity": "sha512-CFuTfK9KdRnDDR6LQlUJ0GNKUZ3tHRSFdKPM9WqeCtUdcuKDgWt9aDFH7Xl87VpUcfNt5qRVl4iHdayqtXVv7g==",
       "requires": {
-        "qs": "^6.11.0"
+        "qs": "^6.10.1"
       }
     },
     "balanced-match": {
diff --git a/package.json b/package.json
index a69dcec..2bdb9f6 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "iobroker.mielecloudservice",
-  "version": "6.5.1",
+  "version": "6.5.2",
   "description": "Get your Miele appliances (XGW3000 & WiFiConn@ct) connected",
   "author": {
     "name": "grizzelbee",
@@ -28,7 +28,7 @@
     "@iobroker/adapter-core": "^2.6.8",
     "@iobroker/plugin-sentry": "^1.2.0",
     "axios": "^1.3.5",
-    "axios-oauth-client": "^2.0.2",
+    "axios-oauth-client": "^1.5.0",
     "eventsource": "^2.0.2",
     "flatted": "^3.2.7"
   },