diff --git a/app/src/main/AndroidManifest.xml b/app/src/main/AndroidManifest.xml
index be1f93d..d050036 100644
--- a/app/src/main/AndroidManifest.xml
+++ b/app/src/main/AndroidManifest.xml
@@ -1,8 +1,8 @@
 <?xml version="1.0" encoding="utf-8"?>
 <manifest xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:tools="http://schemas.android.com/tools"
-    android:versionCode="149"
-    android:versionName="4.2.11e">
+    android:versionCode="150"
+    android:versionName="4.2.11">
     <!-- android:allowBackup="false" -->
     <uses-permission android:name="android.permission.POST_NOTIFICATIONS"/>
 
diff --git a/app/src/main/res/values/strings.xml b/app/src/main/res/values/strings.xml
index df86d45..923acac 100644
--- a/app/src/main/res/values/strings.xml
+++ b/app/src/main/res/values/strings.xml
@@ -3,6 +3,7 @@
     <string name="app_name">OpenSeizureDetector</string>
     <string name="changelog">
         "\n
+        \nV4.2.11 - Reduced data usage of Data Sharing system, and added a 'flap detector' component to detect high amplitude, low frequency movement
         \nV4.2   - Added support for PineTime and BangleJS Watches using Bluetooth data source.
         \n       - Added support for Version 2 of the Garmin watch app, which reduces battery drain
         \n       - Added new, swipeable user interface to simplify the main screen.
diff --git a/releases/app-release-4.2.11.apk b/releases/app-release-4.2.11.apk
new file mode 100644
index 0000000..57e15d1
Binary files /dev/null and b/releases/app-release-4.2.11.apk differ