diff --git a/AndroidManifest.xml b/AndroidManifest.xml
index b2fa4e388..00b45fa29 100644
--- a/AndroidManifest.xml
+++ b/AndroidManifest.xml
@@ -1,8 +1,8 @@
 <?xml version="1.0" encoding="utf-8"?>
 <manifest
     xmlns:android="http://schemas.android.com/apk/res/android"
-    android:versionCode="18005"
-    android:versionName="4.505" package="com.fsck.k9"
+    android:versionCode="18006"
+    android:versionName="4.506" package="com.fsck.k9"
     >
     <uses-sdk
        android:minSdkVersion="8"