diff --git a/addon.xml b/addon.xml
index 62a4025c..aa9d9fa9 100644
--- a/addon.xml
+++ b/addon.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" standalone="yes"?>
-<addon  id="plugin.video.plexkodiconnect" name="PlexKodiConnect" version="2.12.20" provider-name="croneter">
+<addon  id="plugin.video.plexkodiconnect" name="PlexKodiConnect" version="2.12.21" provider-name="croneter">
   <requires>
     <import addon="xbmc.python" version="2.1.0"/>
     <import addon="script.module.requests" version="2.9.1" />
@@ -88,7 +88,12 @@
     <summary lang="ko_KR">Plex를 Kodi에 기본 통합</summary>
     <description lang="ko_KR">Kodi를 Plex Media Server에 연결합니다. 이 플러그인은 Plex로 모든 비디오를 관리하고 Kodi로는 관리하지 않는다고 가정합니다. Kodi 비디오 및 음악 데이터베이스에 이미 저장된 데이터가 손실 될 수 있습니다 (이 플러그인이 직접 변경하므로). 자신의 책임하에 사용하십시오!</description>
     <disclaimer lang="ko_KR">자신의 책임하에 사용</disclaimer>
-    <news>version 2.12.20 (beta only):
+    <news>version 2.12.21 (beta only):
+- Switch to new websocket implementation
+- Hopefully fix RuntimeError: no add-on id "plugin.video.plexkodiconnect"
+- Update translations
+
+version 2.12.20 (beta only):
 - Add information to PKC settings for background sync and Alexa whether a connection has been successfully made
 
 version 2.12.19:
diff --git a/changelog.txt b/changelog.txt
index d7c5e1f0..d18eaee2 100644
--- a/changelog.txt
+++ b/changelog.txt
@@ -1,3 +1,8 @@
+version 2.12.21 (beta only):
+- Switch to new websocket implementation
+- Hopefully fix RuntimeError: no add-on id "plugin.video.plexkodiconnect"
+- Update translations
+
 version 2.12.20 (beta only):
 - Add information to PKC settings for background sync and Alexa whether a connection has been successfully made