diff --git a/CHANGELOG.md b/CHANGELOG.md
index 1bc5312..58b4181 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,13 @@
+## [12-3.0] - 2021-10-13
+* Initial release for Android 12
+* Use the same (faster and more secure) crypto that storage backups use,
+  for app backup.
+* Avoid leaking installed app list through filenames by using salted names
+* Old backups can still be restored, but new backups will be made with this format
+* If you generated the recovery code / setup Seedvault before 11-1.2, you will be prompted
+  to generate a new code.
+* Improve backup behavior in general
+
 ## [11-2.3] - 2021-10-02
 ### Fixed
 * Fix translations for the new BIP39 library
diff --git a/README.md b/README.md
index f9f6aa4..9ffb0fa 100644
--- a/README.md
+++ b/README.md
@@ -19,7 +19,7 @@
 
 ## Requirements
 
-- Android 11
+- Android 12
 
 For older versions of Android, check out [the branches](https://github.com/seedvault-app/seedvault/branches).
 
diff --git a/app/src/main/AndroidManifest.xml b/app/src/main/AndroidManifest.xml
index b47e44c..a69d866 100644
--- a/app/src/main/AndroidManifest.xml
+++ b/app/src/main/AndroidManifest.xml
@@ -2,8 +2,8 @@
 <manifest xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:tools="http://schemas.android.com/tools"
     package="com.stevesoltys.seedvault"
-    android:versionCode="30000231"
-    android:versionName="11-2.3">
+    android:versionCode="31000301"
+    android:versionName="12-3.0">
     <!--
     The version code is the targeted SDK_VERSION plus 6 digits for our own version code.
     The version name is the targeted Android version followed by - and our own version name.
diff --git a/contactsbackup/src/main/AndroidManifest.xml b/contactsbackup/src/main/AndroidManifest.xml
index 590c085..a45b985 100644
--- a/contactsbackup/src/main/AndroidManifest.xml
+++ b/contactsbackup/src/main/AndroidManifest.xml
@@ -2,8 +2,8 @@
 <manifest xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:tools="http://schemas.android.com/tools"
     package="org.calyxos.backup.contacts"
-    android:versionCode="30000231"
-    android:versionName="11-2.3">
+    android:versionCode="31000301"
+    android:versionName="12-3.0">
     <!--
     The version code is the targeted SDK_VERSION plus 6 digits for our own version code.
     The version name is the targeted Android version followed by - and our own version name.